Bump protobuf from 3.20.3 to 6.33.4 in /docker/tensorrt

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.3 to 6.33.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 6.33.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

docker/tensorrt/requirements-amd64.txt

@@ -15,4 +15,4 @@ nvidia_nccl_cu12==2.23.4; platform_machine == 'x86_64'
 nvidia_nvjitlink_cu12==12.5.82; platform_machine == 'x86_64'
 onnx==1.16.*; platform_machine == 'x86_64'
 onnxruntime-gpu==1.22.*; platform_machine == 'x86_64'
-protobuf==3.20.3; platform_machine == 'x86_64'
+protobuf==6.33.4; platform_machine == 'x86_64'

docker/tensorrt/requirements-models-arm64.txt

@@ -1,2 +1,2 @@
 onnx == 1.14.0; platform_machine == 'aarch64'
-protobuf == 3.20.3; platform_machine == 'aarch64'
+protobuf == 6.33.4; platform_machine == 'aarch64'