Auto submodule update: cmake - Add CONTRIBUTING.md

[akleeman]

Automated PR by Jenkins. If CI has passed successfully, merge away!

cmake 373d4fca -> d442845c

• d442845c : Add CONTRIBUTING.md
• 924ee57d : Reduce line widths to 180
• db053d11 : GenericFindDependency.cmake: Add cmake-lint pragma
• ff4ddcf4 : CI: Use cmake-lint
• 22da247e : CI: Add whitespace linting
• e24fe3cd : Trim whitespace
• e55d3c90 : Fix folder exists error (#92)
• 9426fb76 : ESD-2113 Add license notice (#91)
• c6f36254 : Change valgrind message about debug symbols a verbose message instead

This pull request was created by manual invocation.