fix(ci): Update workflows to use release pipeline

[damacus]

Updates workflows to @5.0.3.

Changes

• Updated ci.yml to @5.0.3 with secrets: inherit
• Created release.yml with permissions block
• Created conventional-commits.yml, prevent-file-change.yml, copilot-setup-steps.yml
• Created/updated .markdownlint-cli2.yaml
• Created/updated release-please config files (version: 2.1.3)
• Cleaned up CHANGELOG.md

Webhooks

• Webhooks disabled prior to merge

[github-actions]

Slowest examples

Top 10 slowest examples (0.73 seconds, 54.02% of total time)

Example	Description	Time in seconds
spec/unit/recipes/builtin_services_spec.rb:22	xinetd::builtin_services is expected to enable xinetd_service "time-dgram"	0.16808
spec/unit/recipes/builtin_services_spec.rb:22	xinetd::builtin_services is expected to enable xinetd_service "daytime-dgram"	0.06952
spec/unit/recipes/builtin_services_spec.rb:12	xinetd::builtin_services is expected to enable xinetd_service "echo-stream"	0.06909
spec/unit/recipes/builtin_services_spec.rb:103	xinetd::builtin_services is expected to create template "/etc/xinetd.d/chargen-dgram"	0.06583
spec/unit/recipes/builtin_services_spec.rb:7	xinetd::builtin_services converges successfully	0.06517
spec/unit/recipes/builtin_services_spec.rb:12	xinetd::builtin_services is expected to enable xinetd_service "chargen-stream"	0.05942
spec/unit/recipes/builtin_services_spec.rb:33	xinetd::builtin_services is expected to enable xinetd_service "tcpmux-server"	0.05932
spec/unit/recipes/builtin_services_spec.rb:44	xinetd::builtin_services is expected to start service "xinetd"	0.05906
spec/unit/recipes/builtin_services_spec.rb:12	xinetd::builtin_services is expected to enable xinetd_service "daytime-stream"	0.05774
spec/unit/recipes/builtin_services_spec.rb:22	xinetd::builtin_services is expected to enable xinetd_service "echo-dgram"	0.05714