ci: add container size difference as PR comment

[rjaegers]

Pull Request

Description of changes

This PR adds functionality to show the size difference between the container size built from a PR and the latest version as a PR comment.

Checklist

• I have followed the contribution guidelines for this repository
• I have added tests for new behavior, and have not broken any existing tests
• I have added or updated relevant documentation
• I have verified that all added components are accounted for in the SBOM

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	14		0	0.71s
✅ DOCKERFILE	hadolint	1		0	0.99s
✅ JSON	eslint-plugin-jsonc	8	0	0	3.16s
✅ JSON	prettier	8	0	0	0.47s
✅ JSON	v8r	8		0	3.91s
✅ MARKDOWN	markdownlint	8	0	0	1.09s
✅ MARKDOWN	markdown-link-check	8		0	9.97s
✅ MARKDOWN	markdown-table-formatter	8	0	0	0.27s
✅ REPOSITORY	checkov	yes		no	15.67s
✅ REPOSITORY	gitleaks	yes		no	0.55s
✅ REPOSITORY	git_diff	yes		no	0.02s
✅ REPOSITORY	grype	yes		no	10.99s
✅ REPOSITORY	secretlint	yes		no	1.47s
✅ REPOSITORY	trivy	yes		no	8.43s
✅ REPOSITORY	trivy-sbom	yes		no	3.36s
✅ REPOSITORY	trufflehog	yes		no	6.81s
✅ SPELL	lychee	43		0	0.91s
✅ YAML	prettier	17	0	0	1.15s
✅ YAML	v8r	17		0	14.08s
✅ YAML	yamllint	17		0	0.37s

See detailed report in MegaLinter reports

MegaLinter is graciously provided by

[github-actions]

Test Results

20 tests  ±0   20 ✅ ±0   39s ⏱️ -3s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 7802e0a. ± Comparison against base commit 6833669.

♻️ This comment has been updated with latest results.

[github-actions]

Compressed layer size comparison

Comparing ghcr.io/philips-software/amp-devcontainer:latest to ghcr.io/philips-software/amp-devcontainer@sha256:059bfe984444e1dc4e587a2fcf700c1cde64ffd7ed6fed7f8f99d355bc9ade9f

OS/Platform	Previous Size	Current Size	Delta
linux/amd64	594.66M	594.70M	40.01K (+0.01%)
linux/arm64	571.86M	571.90M	40.25K (+0.01%)

[BarisTanyeri]

Weird that there is a small delta on this PR (perhaps due to non-released "features"). In anyway, very good metric!

[github-actions]

Pull Request Report (#328)

Static measures

Description	Value
Number of added lines	84
Number of deleted lines	2
Number of changed files	5
Number of commits	14
Number of reviews	1
Number of comments (w/o review comments)	3
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)	7.5 Hours
Time that was spend on the branch before the PR was created	20.4 Hours
Time that was spend on the branch before the PR was merged	1.2 Days
Time to merge after last review	4.1 Hours

Status check related measures

Description	Value
Total runtime for last status check run (Workflow for PR)	23.3 Min
Total time spend in last status check run on PR	16.2 Min