deps: update dependency com.google.cloud:google-cloud-firestore-bom to v2.2.7 (#1864)

Author: renovate-bot

pom.xml

@@ -332,7 +332,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-bom</artifactId>
-        <version>2.2.6</version>
+        <version>2.2.7</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>