feat: added the ability to use git operations in the docker image

[IgorKarpiuk]

What/Why/How?

Added the ability to use git operations in the docker image to use it in CICD runners.

Reference

Testing

Screenshots (optional)

Has code been changed?

• Tested with redoc/reference-docs/workflows (internal)
• All new/updated code is covered with tests

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

[changeset-bot]

🦋 Changeset detected

Latest commit: 75f0117

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@redocly/cli	Patch
@redocly/openapi-core	Patch

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[github-actions]

Command	Mean [s]	Min [s]	Max [s]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	1.059 ± 0.037	1.019	1.150	1.00 ± 0.04
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	1.057 ± 0.014	1.027	1.077	1.00

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	76.19%	4306/5652
🟡	Branches	65.76%	2236/3400
🟡	Functions	68.81%	695/1010
🟡	Lines	76.4%	4049/5300

Test suite run success

699 tests passing in 100 suites.

Report generated by 🧪jest coverage report action from 75f0117

[lornajane]

I think this is ready.