ci: fix pipeline

[wass3r]

❤ THANKS FOR HELPING OUT :D

Proposed change

Pipeline with steps using golang container don't have docker available. Adjusted jobs/steps that should fix docker builds.

Types of changes

What types of changes is this pull request introducing to flottbot? Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

You can fill this out after creating your PR. Put an x in the boxes that apply

• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[github-actions]

Pull Request Test Coverage Report for Build 5fa56c6630d984f2346686af0c16519bfb1e589a-PR-136

• 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 42.238%

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Totals
Change from base Build dc4c4c2a7179aab9e5036f97e854bc49aca1a1ce:	0.0%
Covered Lines:	770
Relevant Lines:	1823

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💛 - Coveralls