Update the repository from fork laget.se/ical net

Update the repository from fork laget.se/ical net

Apply the following change after the update:

Remove net5.0 as target framework from all lprojects
Update nuget-specific settings
- Update icon.png file used in Ical.Net.nuspec
- Update package metadata
- Remove net5.0 package target framework
- Update README.md to reflect the current project state with ical-org
- Fix: Update publish.yml to create deterministic builds for packages, update action versions
Update GitHub actions to reflect the changed main branch name
Update readme.md
Update CI workflows publish.yml and tests.yml
- Changed runs-on to ubuntu-latest.
- Added fetch-depth: 0 to actions/checkout@v4 in both workflows.
- Added Get version tag step in publish.yml.
- Included -p:nowarn=1591 in Build steps to suppress warnings.
- Changed Test verbosity to quiet in both workflows.
- Updated Build and pack for publishing in publish.yml to use VERSION.
- Updated Store artifacts step in publish.yml for new naming convention.
- Updated Push package to NuGet step in publish.yml to use VERSION.
Update ProdId constant and NodaTime package version
Add back assembly signing to projects and include strong name key
Update Ical.Net.Tests.csproj and Ical.Net.csproj to include assembly signing by adding SignAssembly and AssemblyOriginatorKeyFile properties.
- Replace InternalsVisibleTo with AssemblyAttribute including a public key in Ical.Net.csproj.
- Add IcalNetStrongnameKey.snk for strong name key.
- Move InternalsVisibleTo from AssemblyInfo.cs to project file
Add class RegexDefaults and update all Regex with RegexDefaults.Timeout which is set to 200 milliseconds

This PR closes the following PRs which have previously been merged into laget.se/ical net Closes #491 Closes #443 Closes #525 Closes #528 Closes #571 Closes #579 Closes #584 Closes #595

ical-org / ical.net

Update the repository from fork laget.se/ical net #595

Quality Gate failed