chore(deps): update docker.io/golang docker tag to v1.20.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker.io/golang	stage	minor	1.19.5-alpine -> 1.20.4-alpine
docker.io/golang	final	minor	1.19.5-alpine -> 1.20.4-alpine

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[coveralls]

Pull Request Test Coverage Report for Build 4897743642

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 0.0%

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Totals
Change from base Build 4897540331:	0.0%
Covered Lines:	0
Relevant Lines:	0

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💛 - Coveralls

[renovate]

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