[CI/Build] Fix gRPC version mismatch (#35013)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
(cherry picked from commit 965fe45935)
(cherry picked from commit 90308959295b66049024649fe1273070477f343d)

requirements/test.in

@@ -48,7 +48,11 @@ buildkite-test-collector==0.1.9
 genai_perf>=0.0.8
 tritonclient>=2.51.0
 
-grpcio-tools==1.78.0 # Should match `build.txt`
+# The version of gRPC libraries should be consistent with each other
+grpcio==1.78.0
+grpcio-reflection==1.78.0
+grpcio-tools==1.78.0
+
 arctic-inference == 0.1.1 # Required for suffix decoding test
 numba == 0.61.2 # Required for N-gram speculative decoding
 numpy