Bump protobuf from 6.32.1 to 6.33.5 in /files

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 6.32.1 to 6.33.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 6.33.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

files/requirements.txt

@@ -146,7 +146,7 @@ pillow==11.3.0
 prompt-toolkit==3.0.52
 propcache==0.3.2
 proto-plus==1.26.1
-protobuf==6.32.1
+protobuf==6.33.5
 prov==1.5.1
 psutil==7.1.0
 pulsar-galaxy-lib==0.15.11