chore(deps): bump protobuf in /backend/python/transformers

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 6.33.5 to 7.35.0.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 7.35.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

backend/python/transformers/requirements-cpu.txt

@@ -7,4 +7,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements-cublas12.txt

@@ -7,4 +7,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements-cublas13.txt

@@ -7,4 +7,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements-hipblas.txt

@@ -8,4 +8,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements-intel.txt

@@ -8,4 +8,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements-mps.txt

@@ -7,4 +7,4 @@ bitsandbytes
 sentence-transformers==5.5.0
 diffusers
 soundfile
-protobuf==6.33.5
+protobuf==7.35.0

backend/python/transformers/requirements.txt

@@ -1,5 +1,5 @@
 grpcio==1.80.0
-protobuf==6.33.5
+protobuf==7.35.0
 certifi
 setuptools
 scipy==1.15.1