Bump Serilog and System.Diagnostics.DiagnosticSource #2431

Job	Run time
build	1m 36s
test-fast (tests/Proto.Actor.Tests/*.csproj)	1m 10s
test-slow (net7.0, tests/Proto.Cluster.Tests/*.csproj)	15m 42s
test-fast (tests/Proto.Remote.Tests/*.csproj)	50s
test-slow (net7.0, tests/Proto.Cluster.PartitionIdentity.Tests/*.csproj)	2m 24s
test-fast (tests/Proto.OpenTelemetry.Tests/*.csproj)	53s
test-fast (tests/Proto.Cluster.CodeGen.Tests/*.csproj)	40s
test-slow (net7.0, tests/Proto.Cluster.RedisIdentity.Tests/*.csproj)	2m 26s
test-slow (net7.0, tests/Proto.Cluster.PubSub.Tests/*.csproj)	3m 3s
test-slow (net6.0, tests/Proto.Cluster.Tests/*.csproj)	7m 27s
test-slow (net6.0, tests/Proto.Cluster.PartitionIdentity.Tests/*.csproj)	2m 27s
test-slow (net6.0, tests/Proto.Cluster.RedisIdentity.Tests/*.csproj)	2m 27s
test-slow (net6.0, tests/Proto.Cluster.PubSub.Tests/*.csproj)	3m 3s
	44m 8s

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