Update the sponsors section

Do not overwrite the WS-Federation claims manually added by the application in the merged principal

Bump Scriban to 7.0.3 and update the web providers generator to invoke provider configuration delegates earlier

Bump Meziantou.Polyfill to 1.0.104 and use the built-in Chunk()/ThrowIfNegative() polyfills

Update README.md

Merge the changes made in the rel/7.4.0 branch

Introduce a new dynamic option to disable issuer parameter validation and disable it for Google

Update Versions.props to build 7.5.0-preview.1 packages

Update Versions.props to build 7.4.0 packages

Allow using mTLS client authentication with the client credentials grant and support mTLS token binding for anonymous clients

Update the samples to use keyed services to create HttpClient instances

Update the system integration package to restore the ambient request for marshalled authentication demands

Update Versions.props to build 7.4.0-preview.1 packages

Use the correct exception message when the degraded mode is enabled without a custom PAR validation event handler being added

Only pick ASP.NET Core development certificates that are valid