chore(deps): update docker.io/library/golang docker tag to v1.21.0

This MR contains the following updates:

Package	Type	Update	Change
docker.io/library/golang	stage	minor	1.20.7 -> 1.21.0

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enabled an automatic merge when the pipeline for 74b1c24b succeeds

mentioned in issue #1

aborted the automatic merge because source branch was updated

added 3 commits

• 74b1c24b...6f959d46 - 2 commits from branch main
• 07576ee9 - chore(deps): update docker.io/library/golang docker tag to v1.21.0

Compare with previous version

added 3 commits

• 07576ee9...54f3fc45 - 2 commits from branch main
• 6661b8fc - chore(deps): update docker.io/library/golang docker tag to v1.21.0

Compare with previous version

merged

mentioned in commit f84e2eae