Revert "fix(deps): update dependency com.google.api.grpc:proto-google-cloud-resourcemanager-v3 to v1.5.4 (googleapis#8286)"

This reverts commit 01ff747.

Author: suztomo

java-resourcemanager/google-cloud-resourcemanager-bom/pom.xml

@@ -67,7 +67,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-resourcemanager-v3</artifactId>
-        <version>1.5.4</version><!-- {x-version-update:proto-google-cloud-resourcemanager-v3:current} -->
+        <version>1.5.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-resourcemanager-v3:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>

java-resourcemanager/pom.xml

@@ -66,7 +66,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-resourcemanager-v3</artifactId>
-        <version>1.5.4</version><!-- {x-version-update:proto-google-cloud-resourcemanager-v3:current} -->
+        <version>1.5.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-resourcemanager-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>