chore(deps): update dependency org.codehaus.mojo:exec-maven-plugin to v3.6.3

Author: renovate-bot

spanner-tools/spanner_direct_access_test/pom.xml

@@ -41,7 +41,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>3.6.1</version>
+        <version>3.6.3</version>
         <configuration>
           <mainClass>com.spanner.benchmark.Main</mainClass>
           <cleanupDaemonThreads>false</cleanupDaemonThreads>

spanner-tools/spanner_quicksink/pom.xml

@@ -73,7 +73,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>exec-maven-plugin</artifactId>
-        <version>3.1.0</version>
+        <version>3.6.3</version>
         <configuration>
           <mainClass>com.example.spanner.quicksink.ChangeStreamReader</mainClass>
         </configuration>

spannergeo-s2/pom.xml

@@ -90,7 +90,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>exec-maven-plugin</artifactId>
-                <version>3.4.1</version>
+                <version>3.6.3</version>
                 <configuration>
                     <mainClass>com.example.spannergeo.App</mainClass>
                 </configuration>