deps: update dependency com.google.truth.extensions:truth-proto-exten…

…sion to v1.3.0 (#2058)

* deps: update dependency com.google.truth.extensions:truth-proto-extension to v1.3.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

pom.xml

@@ -189,7 +189,7 @@
             <dependency>
                 <groupId>com.google.truth.extensions</groupId>
                 <artifactId>truth-proto-extension</artifactId>
-                <version>1.2.0</version>
+                <version>1.3.0</version>
                 <scope>test</scope>
                 <exclusions>
                     <!-- exclude protobuf-java as it is managed in the shared deps bom-->