ci: recursively sign digest i.s.o. tags

[rjaegers]

No description provided.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	11		0	0.12s
✅ DOCKERFILE	hadolint	1		0	0.3s
✅ JSON	eslint-plugin-jsonc	7	0	0	2.76s
✅ JSON	prettier	7	0	0	0.47s
✅ JSON	v8r	7		0	3.84s
✅ MARKDOWN	markdownlint	3	0	0	0.88s
✅ MARKDOWN	markdown-link-check	3		0	3.71s
✅ MARKDOWN	markdown-table-formatter	3	0	0	0.23s
✅ REPOSITORY	checkov	yes		no	13.93s
✅ REPOSITORY	gitleaks	yes		no	0.15s
✅ REPOSITORY	git_diff	yes		no	0.0s
✅ REPOSITORY	grype	yes		no	12.27s
✅ REPOSITORY	secretlint	yes		no	1.5s
✅ REPOSITORY	trivy	yes		no	7.25s
✅ REPOSITORY	trivy-sbom	yes		no	3.57s
✅ REPOSITORY	trufflehog	yes		no	2.18s
✅ SPELL	lychee	32		0	0.84s
✅ YAML	prettier	13	0	0	0.86s
✅ YAML	v8r	13		0	13.48s
✅ YAML	yamllint	13		0	0.26s

See detailed report in MegaLinter reports

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[github-actions]

Test Results

16 tests  ±0   16 ✔️ ±0   36s ⏱️ -1s
  1 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit acceb7c. ± Comparison against base commit 491e9f9.

[github-actions]

Pull Request Report (#231)

Static measures

Description	Value
Number of added lines	1
Number of deleted lines	2
Number of changed files	1
Number of commits	1
Number of reviews	1
Number of comments (w/o review comments)	2
Number of reviews that contains a comment to resolve	0
Number of reviews that requested a change from the author	0
Number of reviews that approved the Pull Request	1
Get the total number of participants of a Pull Request	3

Time related measures

Description	Value
PR lead time (from creation to close of PR)	18.9 Hours
Time that was spend on the branch before the PR was created	16 Sec
Time that was spend on the branch before the PR was merged	18.9 Hours
Time to merge after last review	45 Min

Status check related measures

Description	Value
Total runtime for last status check run (Workflow for PR)	23.9 Min
Total time spend in last status check run on PR	15.9 Min