chore(.github): update pull request template

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Errors	Elapsed time
✅ COPYPASTE	jscpd	yes	no	2.37s
✅ EDITORCONFIG	editorconfig-checker	1	0	0.01s
✅ MARKDOWN	markdownlint	1	0	0.42s
✅ MARKDOWN	markdown-link-check	1	0	0.58s
✅ MARKDOWN	markdown-table-formatter	1	0	0.34s
✅ REPOSITORY	checkov	yes	no	41.65s
✅ REPOSITORY	gitleaks	yes	no	2.19s
✅ REPOSITORY	git_diff	yes	no	0.09s
✅ REPOSITORY	secretlint	yes	no	2.16s
✅ REPOSITORY	trivy	yes	no	23.5s
✅ REPOSITORY	trivy-sbom	yes	no	2.98s
✅ REPOSITORY	trufflehog	yes	no	44.14s
✅ SPELL	cspell	2	0	2.47s

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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