Bump Google.Protobuf from 3.26.0 to 3.26.1 (#7138)

Bumps [Google.Protobuf](https://github.com/protocolbuffers/protobuf) from 3.26.0 to 3.26.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.26.0...v3.26.1)

---
updated-dependencies:
- dependency-name: Google.Protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

src/Directory.Build.props

@@ -24,7 +24,7 @@
     <HyperionVersion>0.12.2</HyperionVersion>
     <NewtonsoftJsonVersion>[13.0.1,)</NewtonsoftJsonVersion>
     <NBenchVersion>2.0.1</NBenchVersion>
-    <ProtobufVersion>3.26.0</ProtobufVersion>
+    <ProtobufVersion>3.26.1</ProtobufVersion>
     <BenchmarkDotNetVersion>0.13.12</BenchmarkDotNetVersion>
     <NetTestVersion>net8.0</NetTestVersion>
     <FsharpVersion>6.0.5</FsharpVersion>