feat: Add libraries-bom-protobuf3 (#6764)

Author: blakeli0

libraries-bom-protobuf3/pom.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0                              http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.google.cloud</groupId>
+  <artifactId>libraries-bom-protobuf3</artifactId>
+  <version>0.0.1-SNAPSHOT</version><!-- {x-version-update:libraries-bom-protobuf3:current} -->
+  <packaging>pom</packaging>
+
+  <parent>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>libraries-bom</artifactId>
+    <version>26.49.0-SNAPSHOT</version><!-- {x-version-update:libraries-bom:current} -->
+    <relativePath>../libraries-bom</relativePath>
+  </parent>
+
+  <name>Google Cloud Platform Supported Libraries (Protobuf3 compatible)</name>
+  <description>
+    A compatible set of Google Cloud open source libraries. This BOM is compatible with protobuf-java 3.x versions.
+    Document: https://cloud.google.com/java/docs/bom
+  </description>
+  <inceptionYear>2024</inceptionYear>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-bom</artifactId>
+        <version>3.25.5</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
+</project>

pom.xml

@@ -30,6 +30,7 @@
     <!-- Only modules to be published to Maven Central. No tests or release note generation. -->
     <module>google-cloud-bom</module>
     <module>libraries-bom</module>
+    <module>libraries-bom-protobuf3</module>
   </modules>
 
   <build>

versions.txt

@@ -3,5 +3,6 @@
 
 google-cloud-bom:0.229.0:0.230.0-SNAPSHOT
 libraries-bom:26.48.0:26.49.0-SNAPSHOT
+libraries-bom-protobuf3:0.0.0:0.0.1-SNAPSHOT
 java-cloud-bom-tests:0.44.0:0.45.0-SNAPSHOT
 full-convergence-check:0.47.0:0.48.0-SNAPSHOT