Update submodule, oapi-codegen

[Eric-Warehime]

Summary

In order to update the go-algorand submodule there were a bunch of changes.

• Updating dependencies in go.mod since go-algorand has bumped these same deps
• Changing block-generator's imports of the algod models
• Updating the oapi-codegen usage for the Indexer APIs. The newer version of the generator caused some type aliases to be created where there previously was none, and changed one of the error messages for 400 responses.

Test Plan

No new functionality added, so all existing CI/release testing applies.

[excalq]

Approving, with discussion of WIP lint tests in our slack thread.

[Eric-Warehime]

Added a few commits:

• Updated circleCI and the make lint command to use golangci-lint
• Various import order changes, spelling fix, etc. that were failing the new lints
• Final fixes for the code gen changes to fix failing tests.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release/2.15.0@f16b682). Click here to learn what that means.
The diff coverage is n/a.

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[winder]

Looks like this also addresses #1300 👍

[algobarb]

I mainly am checking that it passes the CircleCI tests and the package build. They LGTM.