build(deps): bump protobuf in /examples/grpc-bridge/client

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 4.24.4 to 4.25.1.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v4.24.4...v4.25.1)

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

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

examples/grpc-bridge/client/requirements.txt

@@ -218,20 +218,18 @@ idna==3.4 \
     --hash=sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4 \
     --hash=sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2
     # via requests
-protobuf==4.24.4 \
-    --hash=sha256:02212557a76cd99574775a81fefeba8738d0f668d6abd0c6b1d3adcc75503dbe \
-    --hash=sha256:1badab72aa8a3a2b812eacfede5020472e16c6b2212d737cefd685884c191085 \
-    --hash=sha256:2fa3886dfaae6b4c5ed2730d3bf47c7a38a72b3a1f0acb4d4caf68e6874b947b \
-    --hash=sha256:5a70731910cd9104762161719c3d883c960151eea077134458503723b60e3667 \
-    --hash=sha256:6b7d2e1c753715dcfe9d284a25a52d67818dd43c4932574307daf836f0071e37 \
-    --hash=sha256:80797ce7424f8c8d2f2547e2d42bfbb6c08230ce5832d6c099a37335c9c90a92 \
-    --hash=sha256:8e61a27f362369c2f33248a0ff6896c20dcd47b5d48239cb9720134bef6082e4 \
-    --hash=sha256:9fee5e8aa20ef1b84123bb9232b3f4a5114d9897ed89b4b8142d81924e05d79b \
-    --hash=sha256:b493cb590960ff863743b9ff1452c413c2ee12b782f48beca77c8da3e2ffe9d9 \
-    --hash=sha256:b77272f3e28bb416e2071186cb39efd4abbf696d682cbb5dc731308ad37fa6dd \
-    --hash=sha256:bffa46ad9612e6779d0e51ae586fde768339b791a50610d85eb162daeb23661e \
-    --hash=sha256:dbbed8a56e56cee8d9d522ce844a1379a72a70f453bde6243e3c86c30c2a3d46 \
-    --hash=sha256:ec9912d5cb6714a5710e28e592ee1093d68c5ebfeda61983b3f40331da0b1ebb
+protobuf==4.25.1 \
+    --hash=sha256:0bf384e75b92c42830c0a679b0cd4d6e2b36ae0cf3dbb1e1dfdda48a244f4bcd \
+    --hash=sha256:0f881b589ff449bf0b931a711926e9ddaad3b35089cc039ce1af50b21a4ae8cb \
+    --hash=sha256:1484f9e692091450e7edf418c939e15bfc8fc68856e36ce399aed6889dae8bb0 \
+    --hash=sha256:193f50a6ab78a970c9b4f148e7c750cfde64f59815e86f686c22e26b4fe01ce7 \
+    --hash=sha256:3497c1af9f2526962f09329fd61a36566305e6c72da2590ae0d7d1322818843b \
+    --hash=sha256:57d65074b4f5baa4ab5da1605c02be90ac20c8b40fb137d6a8df9f416b0d0ce2 \
+    --hash=sha256:8bdbeaddaac52d15c6dce38c71b03038ef7772b977847eb6d374fc86636fa510 \
+    --hash=sha256:a19731d5e83ae4737bb2a089605e636077ac001d18781b3cf489b9546c7c80d6 \
+    --hash=sha256:abc0525ae2689a8000837729eef7883b9391cd6aa7950249dcf5a4ede230d5dd \
+    --hash=sha256:becc576b7e6b553d22cbdf418686ee4daa443d7217999125c045ad56322dda10 \
+    --hash=sha256:ca37bf6a6d0046272c152eea90d2e4ef34593aaa32e8873fc14c16440f22d4b7
     # via
     #   -r requirements.in
     #   grpcio-tools