Release 0.39: Create RC release

[kachawla]

Description

Creating RC release for 0.39

Type of change

• This pull request is a minor refactor, code cleanup, test improvement, or other maintenance task and doesn't change the functionality of Radius (issue link optional).

Fixes: #issue_number

Contributor checklist

Please verify that the PR meets the following requirements, where applicable:

• An overview of proposed schema changes is included in a linked GitHub issue. -- N/A
• A design document PR is created in the design-notes repository, if new APIs are being introduced. -- N/A
• If applicable, design document has been reviewed and approved by Radius maintainers/approvers. -- N/A
• A PR for the samples repository is created, if existing samples are affected by the changes in this PR. -- N/A
• A PR for the documentation repository is created, if the changes in this PR affect the documentation or any user facing updates are made. -- N/A
• A PR for the recipes repository is created, if existing recipes are affected by the changes in this PR. -- N/A

[github-actions]

Release Information

• Previous version: v0.38.0
• New version: v0.39.0-rc1

Change logs

<!-- Release notes generated using configuration in .github/release.yml at main -->

## What's Changed
### ## changelog
* Update version to 0.38 in versions.yaml by @ytimocin in https://github.com/radius-project/radius/pull/7924
* Bump bicep-types from `99cdcee` to `d936309` by @dependabot in https://github.com/radius-project/radius/pull/7929
* Implementation of Dapr Building Block: Configuration Store by @SoTrx in https://github.com/radius-project/radius/pull/7906
* Updating and reformatting the release doc by @ytimocin in https://github.com/radius-project/radius/pull/7933
* Update the timeout of the clean-up cluster step to 1h by @ytimocin in https://github.com/radius-project/radius/pull/7938
* Add dapr-sts* namespaces to be deleted to the clean-up workflow by @ytimocin in https://github.com/radius-project/radius/pull/7942
* Update golangci-lint version and fix new warnings by @ytimocin in https://github.com/radius-project/radius/pull/7951
* Improve validation and simplify database tests by @rynowak in https://github.com/radius-project/radius/pull/7949
* Separating purge old images and purge Azure test resources workflows by @ytimocin in https://github.com/radius-project/radius/pull/7937
* Bump peter-evans/create-pull-request from 6 to 7 in the all group by @dependabot in https://github.com/radius-project/radius/pull/7904
* Bump bicep-types from `d936309` to `ebba845` by @dependabot in https://github.com/radius-project/radius/pull/7957
* Add an in-memory data store by @rynowak in https://github.com/radius-project/radius/pull/7950
* Removing bicep workaround + minor cleanup by @sk593 in https://github.com/radius-project/radius/pull/7965
* Update the bicep extension used in the dev container by @brooke-hamilton in https://github.com/radius-project/radius/pull/7969
* Implement PostgreSQL datastore by @rynowak in https://github.com/radius-project/radius/pull/7961
* Add a PR Checklist for Contributions by @kachawla in https://github.com/radius-project/radius/pull/7921
* Bump bicep-types from `ebba845` to `96b34cb` by @dependabot in https://github.com/radius-project/radius/pull/7971
* Fix compiler and test failures with latest version of sigs.k8s.io/controller-runtime by @brooke-hamilton in https://github.com/radius-project/radius/pull/7979
* Bump the all group across 1 directory with 38 updates by @kachawla in https://github.com/radius-project/radius/pull/7981
* Implementation of resource providers and resource types registration by @rynowak in https://github.com/radius-project/radius/pull/7967


**Full Changelog**: https://github.com/radius-project/radius/compare/v0.38.0...v0.39.0-rc1

[radius-functional-tests]

Radius functional test overview

🔍 Go to test action run

Name	Value
Repository	radius-project/radius
Commit ref	3535a28
Unique ID	func78f8060f6e
Image tag	pr-func78f8060f6e

Click here to see the list of tools in the current test run

• gotestsum 1.12.0
• KinD: v0.20.0
• Dapr: 1.12.0
• Azure KeyVault CSI driver: 1.4.2
• Azure Workload identity webhook: 1.3.0
• Bicep recipe location ghcr.io/radius-project/dev/test/testrecipes/test-bicep-recipes/<name>:pr-func78f8060f6e
• Terraform recipe location http://tf-module-server.radius-test-tf-module-server.svc.cluster.local/<name>.zip (in cluster)
• applications-rp test image location: ghcr.io/radius-project/dev/applications-rp:pr-func78f8060f6e
• controller test image location: ghcr.io/radius-project/dev/controller:pr-func78f8060f6e
• ucp test image location: ghcr.io/radius-project/dev/ucpd:pr-func78f8060f6e
• deployment-engine test image location: ghcr.io/radius-project/deployment-engine:latest

Test Status

⌛ Building Radius and pushing container images for functional tests...
✅ Container images build succeeded
⌛ Publishing Bicep Recipes for functional tests...
✅ Recipe publishing succeeded
⌛ Starting datastoresrp-cloud functional tests...
⌛ Starting ucp-cloud functional tests...
⌛ Starting corerp-cloud functional tests...
✅ ucp-cloud functional tests succeeded
✅ datastoresrp-cloud functional tests succeeded
✅ corerp-cloud functional tests succeeded

[github-actions]

Unit Tests

3 478 tests  ±0   3 471 ✅ ±0   5m 14s ⏱️ -2s
  270 suites ±0       7 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit 3535a28. ± Comparison against base commit 9a9a4d2.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.34%. Comparing base (9a9a4d2) to head (3535a28).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7983      +/-   ##
==========================================
- Coverage   60.38%   60.34%   -0.04%     
==========================================
  Files         560      560              
  Lines       29417    29417              
==========================================
- Hits        17763    17753      -10     
- Misses      10110    10115       +5     
- Partials     1544     1549       +5     

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