build(deps): update dependency org.apache.maven.plugins:maven-failsafe-plugin to v3.0.0-m7

Author: renovate-bot

samples/install-without-bom/pom.xml

@@ -139,7 +139,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
-        <version>3.0.0-M6</version>
+        <version>3.0.0-M7</version>
         <configuration>
           <systemPropertyVariables>
             <spanner.test.instance>spanner-testing-east1</spanner.test.instance>

samples/snapshot/pom.xml

@@ -138,7 +138,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
-        <version>3.0.0-M6</version>
+        <version>3.0.0-M7</version>
         <configuration>
           <systemPropertyVariables>
             <spanner.test.instance>spanner-testing-east1</spanner.test.instance>

samples/snippets/pom.xml

@@ -143,7 +143,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-failsafe-plugin</artifactId>
-        <version>3.0.0-M6</version>
+        <version>3.0.0-M7</version>
         <configuration>
           <systemPropertyVariables>
             <spanner.test.instance>spanner-testing-east1</spanner.test.instance>