chore(renovate): Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	pinDigest	→ de0fac2
actions/setup-go	action	pinDigest	→ 4a36011
kyma-project/lifecycle-manager	action	pinDigest	→ ffa1d7b
kyma-project/test-infra	action	pinDigest	→ 48166dd

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