chore: also update sample to use Quarkus extension 3.0.7

Author: metacosm

testdata/quarkus/memcached-quarkus-operator/pom.xml

@@ -15,7 +15,7 @@
     <maven.compiler.target>11</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <quarkus-sdk.version>3.0.6</quarkus-sdk.version>
+    <quarkus-sdk.version>3.0.7</quarkus-sdk.version>
     <quarkus.version>2.7.5.Final</quarkus.version>
   </properties>