Update dependencies.txt

Author: blakeli0

dependencies.txt

@@ -9,7 +9,7 @@
 # Pom-Parent Dependencies
 # These dependencies are declared: https://github.com/googleapis/sdk-platform-java/blob/main/gapic-generator-java-pom-parent/pom.xml
 javax.annotation:javax.annotation-api,javax.annotation-api=1.3.2
-io.grpc:grpc-bom,grpc=1.77.0
+io.grpc:grpc-bom,grpc=1.76.2
 com.google.auth:google-auth-library-bom,google.auth=1.41.0
 com.google.http-client:google-http-client,google.http-client=2.0.2
 com.google.code.gson:gson,gson=2.13.2