Bump protobuf from 5.29.3 to 5.29.5 in /NMSIS/NN/Tests/UnitTest/Scripts

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.29.3 to 5.29.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.29.3...v5.29.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 5.29.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

NMSIS/NN/Tests/UnitTest/Scripts/requirements.txt

@@ -104,7 +104,7 @@ pooch==1.8.2
 pre_commit==4.0.1
 prettytable==2.5.0
 prompt_toolkit==3.0.47
-protobuf==5.29.3
+protobuf==5.29.5
 psutil==6.0.0
 pure_eval==0.2.3
 pycparser==2.22