Update dependency com.google.code.gson:gson to v2.13.1 (#732)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

functions/pom.xml

@@ -68,7 +68,7 @@
       <dependency>
         <groupId>com.google.code.gson</groupId>
         <artifactId>gson</artifactId>
-        <version>2.13.0</version>
+        <version>2.13.1</version>
       </dependency>
       <dependency>
         <groupId>com.nimbusds</groupId>