chore(deps): update dependency org.mock-server:mockserver-netty-no-dependencies to v9.1.0 (#2579)

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| `9.0.0` → `9.1.0` |
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prometheus-metrics-exporter-pushgateway/pom.xml

@@ -35,7 +35,7 @@
     <dependency>
       <groupId>org.mock-server</groupId>
       <artifactId>mockserver-netty-no-dependencies</artifactId>
-      <version>9.0.0</version>
+      <version>9.1.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>