updated go version to 1.21 and testcontainers-go dependency to v0.27.0

[rzeijde]

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[milindl]

Thanks for this change @rzeijde . However, is it possible to just update the testcontainers-go dependency for now and not update the go version? Even though the language version is out of support, we will still support 1.17 for as long as we can.

[rzeijde]

unfortunately the test container dep is causing the golang version update.
github.com/testcontainers/testcontainers-go/modules/compose v0.27.0 requires golang 1.21 😿

[milindl]

@rzeijde , sorry for closing this PR. I just wanted to add changes to the CHANGELOG.md and README.md, and I accidentally pushed from the wrong branch. Now that it's been pushed to from wrong branch, the PR is autoclosed and I no longer have the permission to push to rzeijde:master anymore to fix the issue.

These are the changes. They add your name to CHANGELOG, and information about the new version to README: 75c5b2a
If you want you can cherry-pick them and reopen the PR or else I can merge them separately.

Thanks

[rzeijde]

@milindl will take a look at it sat/sun.

[rzeijde]

#1136