deps: update dependencies.txt for grpc-gcp to 1.9.0 (#4025)

Author: rahul2393

dependencies.txt

@@ -23,7 +23,7 @@ org.slf4j:slf4j-api,slf4j=2.0.17
 
 # 1P Shared-Deps
 # These dependencies are declared: https://github.com/googleapis/sdk-platform-java/blob/main/java-shared-dependencies/first-party-dependencies/pom.xml
-com.google.cloud:grpc-gcp,grpc-gcp=1.7.0
+com.google.cloud:grpc-gcp,grpc-gcp=1.9.0
 com.google.oauth-client:google-oauth-client,google.oauth-client=1.39.0
 com.google.api-client:google-api-client,google.api-client=2.8.1
 

java-shared-dependencies/first-party-dependencies/pom.xml

@@ -22,7 +22,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <site.installationModule>${project.artifactId}</site.installationModule>
-    <grpc-gcp.version>1.6.1</grpc-gcp.version>
+    <grpc-gcp.version>1.9.0</grpc-gcp.version>
     <google.oauth-client.version>1.39.0</google.oauth-client.version>
     <google.api-client.version>2.7.2</google.api-client.version>
   </properties>