Pass timeout to TimeoutRejectedException

Pass the value of `timeout` to `TimeoutRejectedException` in Polly for timeout policies.

Resolves #2815.

Respect override for PipelineExecuting and PipelineExecuted (#2752)

Resolves #2750.

Update benchmarks

Update benchmarks after merging changes from #2664.

Bump stryker to 4.7.0

Update to the latest release of dotnet-stryker.

Fix permissions (#2649)

Fix permissions to upload an SBOM to a release.

Fix package signing (#2631)

- Use a federated credential to access Azure Key Vault for the code-signing certificate instead of the now-expired secrets.
- Remove all permissions by default.
- Add `contents: read` for building the packages.
- Add `id-token: write` to sign the packages.

Fix for retry cancellation (#2456)

Fixes #2375.

Synchronize access to Validator (#2428)

Synchronize access to `System.ComponentModel.DataAnnotations.Validator`.

Fixes #2412.

Update to .NET 9 SDK (#2003)

- Build with the .NET 9 SDK.
- Add tests TFM for `net9.0`.
- Remove tests for `net6.0` TFM.
- Run workflows on PRs to `dotnet-vnext` branch.
- Only audit direct NuGet dependencies.
- Fix IDE0022 warning.
- Temporarily disable some tests that are failing in GitHub Actions.
- Add usage of `[DebuggerDisableUserUnhandledExceptions]` to avoid newer versions of the Visual Studio debugger for breaking for exceptions on async code paths we are intentionally handling.
- Bump version to 8.5.0.

Downgrade sign tool

Downgrade the `sign` tool to the same version used when we published v8.4.1 to see if it's the source of the failure.