fix: remove v in tags to enable automatic push to Terraform registry

[kayman-mk]

Description

Due to a major change in release-please our configuration was ignored and the tags created for a release started with v. But the Terraform registry expects a semantic version only.

This PR updates the release-please configuration to make it compatible with version 4.

Closes #1048

[github-actions]

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[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.01s
✅ COPYPASTE	jscpd	yes		no	1.52s
✅ JSON	eslint-plugin-jsonc	2	0	0	0.92s
✅ JSON	jsonlint	2		0	0.21s
✅ JSON	prettier	2	0	0	0.63s
✅ JSON	v8r	2		0	2.33s
✅ REPOSITORY	checkov	yes		no	14.11s
✅ REPOSITORY	dustilock	yes		no	0.1s
✅ REPOSITORY	gitleaks	yes		no	1.08s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	grype	yes		no	10.65s
✅ REPOSITORY	secretlint	yes		no	1.57s
✅ REPOSITORY	syft	yes		no	0.36s
✅ REPOSITORY	trivy-sbom	yes		no	0.96s
✅ REPOSITORY	trufflehog	yes		no	2.17s
✅ SPELL	cspell	4		0	2.62s
✅ YAML	prettier	1	0	0	0.54s
✅ YAML	v8r	1		0	2.12s
✅ YAML	yamllint	1		0	0.33s

See detailed report in MegaLinter reports
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

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[kayman-mk]

Configuration files created with release-please release-pr --token=$GITHUB_TOKEN --repo-url=cattle-ops/terraform-aws-gitlab-runner --target-branch=release-please/bootstrap/default --debug --dry-run

[kayman-mk]

Configuration tested with release-please release-pr --token=$GITHUB_TOKEN --repo-url=cattle-ops/terraform-aws-gitlab-runner --target-branch=kayma/release-please-config --debug --dry-run --manifest-file .github/.r elease-please-manifest.json --config-file .github/.release-please-config.json