[CI] upgrade grpc to 1.80.0 for CMake (open-telemetry#4026)

Author: dbarker

install/cmake/third_party_latest

@@ -8,7 +8,7 @@ abseil=20250512.1
 zlib=v1.3.2
 curl=curl-8_19_0
 protobuf=v6.31.1
-grpc=v1.78.1
+grpc=v1.80.0
 benchmark=v1.9.4
 googletest=v1.17.0
 ms-gsl=v4.2.1

third_party_release

@@ -17,7 +17,7 @@ abseil=20250512.1
 zlib=v1.3.2
 curl=curl-8_19_0
 protobuf=v6.31.1
-grpc=v1.78.1
+grpc=v1.80.0
 benchmark=v1.9.4
 googletest=v1.17.0
 ms-gsl=v4.2.1