chore(deps): update dependency org.slf4j:slf4j-simple to v1.7.31 (GoogleCloudPlatform#5451)

Author: renovate-bot

appengine-java11/cloudsql/pom.xml

@@ -66,7 +66,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.31</version>
       <scope>provided</scope>
     </dependency>
     <!-- Dependencies for Cloud SQL -->

appengine-java11/vertx-helloworld/pom.xml

@@ -57,7 +57,7 @@ limitations under the License.
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.31</version>
       <type>jar</type>
     </dependency>
     <dependency>

cloud-sql/mysql/servlet/pom.xml

@@ -72,7 +72,7 @@
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-simple</artifactId>
-       <version>1.7.30</version>
+       <version>1.7.31</version>
    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>

run/hello-broken/pom.xml

@@ -51,7 +51,7 @@ limitations under the License.
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.31</version>
     </dependency>
     <!-- [END run_broken_service_dep] -->
     <!-- [END cloudrun_broken_service_dep] -->

run/system-package/pom.xml

@@ -43,7 +43,7 @@ limitations under the License.
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.31</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>