deps: update truth-proto-extension to 1.1.3 and exclude protobuf-java from its dependencies (#854)

Author: kolea2

pom.xml

@@ -172,8 +172,15 @@
             <dependency>
                 <groupId>com.google.truth.extensions</groupId>
                 <artifactId>truth-proto-extension</artifactId>
-                <version>1.1.2</version>
+                <version>1.1.3</version>
                 <scope>test</scope>
+                <exclusions>
+                    <!-- exclude protobuf-java as it is managed in the shared deps bom-->
+                    <exclusion>
+                        <groupId>com.google.protobuf</groupId>
+                        <artifactId>protobuf-java</artifactId>
+                    </exclusion>
+                </exclusions>
             </dependency>
             <dependency>
                 <groupId>junit</groupId>