🧹 Remove strange !integration test build tags

[dsyme]

The !integration labelling is not standard at all.

• unit tests --> no labels
• integration tests --> integration label

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Summary

• Removed //go:build !integration build tags from multiple test files
• Updated CI workflow and Makefile to run all unit tests without integration tag filtering
• Simplified test configuration across different packages

Details

This PR removes the integration test build tags from several test files in the pkg/cli and pkg/workflow packages. The changes streamline the test execution process by removing unnecessary build constraints and ensuring consistent test coverage.