deps: Adding gapic-generator-java-bom to first-party-dependencies (#957)

* chore: Adding gapic-generator-java-bom to first-party-dependencies

Author: ddixit14

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

@@ -55,35 +55,23 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <site.installationModule>${project.artifactId}</site.installationModule>
-    <grpc.version>1.51.1</grpc.version>
-    <gax.version>2.20.1</gax.version>
+    <gapic-generator-java-bom.version>2.13.0</gapic-generator-java-bom.version>
     <grpc-gcp.version>1.3.2</grpc-gcp.version>
     <gson.version>2.10</gson.version>
-    <guava.version>31.1-jre</guava.version>
-    <protobuf.version>3.21.12</protobuf.version>
-    <google.api-common.version>2.3.1</google.api-common.version>
-    <google.common-protos.version>2.11.0</google.common-protos.version>
     <google.core.version>2.9.0</google.core.version>
-    <google.auth.version>1.14.0</google.auth.version>
     <google.http-client.version>1.42.3</google.http-client.version>
     <google.oauth-client.version>1.34.1</google.oauth-client.version>
     <google.api-client.version>2.1.1</google.api-client.version>
-    <iam.version>1.6.23</iam.version>
   </properties>
 
   <dependencyManagement>
     <dependencies>
+
       <dependency>
-        <groupId>io.grpc</groupId>
-        <artifactId>grpc-bom</artifactId>
-        <version>${grpc.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
+        <!-- This BOM declares the versions gRPC, Protobuf, Guava, etc. -->
         <groupId>com.google.api</groupId>
-        <artifactId>gax-bom</artifactId>
-        <version>${gax.version}</version>
+        <artifactId>gapic-generator-java-bom</artifactId>
+        <version>${gapic-generator-java-bom.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -97,50 +85,13 @@
         <artifactId>gson</artifactId>
         <version>${gson.version}</version>
       </dependency>
-      <dependency>
-        <groupId>com.google.guava</groupId>
-        <artifactId>guava-bom</artifactId>
-        <version>${guava.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-
-      <dependency>
-        <groupId>com.google.protobuf</groupId>
-        <artifactId>protobuf-bom</artifactId>
-        <version>${protobuf.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api</groupId>
-        <artifactId>api-common</artifactId>
-        <version>${google.api-common.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>proto-google-common-protos</artifactId>
-        <version>${google.common-protos.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>grpc-google-common-protos</artifactId>
-        <version>${google.common-protos.version}</version>
-      </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-bom</artifactId>
         <version>${google.core.version}</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-      <dependency>
-        <groupId>com.google.auth</groupId>
-        <artifactId>google-auth-library-bom</artifactId>
-        <version>${google.auth.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
       <dependency>
         <groupId>com.google.http-client</groupId>
         <artifactId>google-http-client-bom</artifactId>
@@ -162,24 +113,9 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>proto-google-iam-v1</artifactId>
-        <version>${iam.version}</version>
-      </dependency>
 
       <!-- Following test deps are kept to keep them consistent with versions above -->
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>grpc-google-iam-v1</artifactId>
-        <version>${iam.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api</groupId>
-        <artifactId>gax-grpc</artifactId>
-        <version>${gax.version}</version>
-        <classifier>testlib</classifier>
-      </dependency>
+
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core</artifactId>