deps: update Functions Framework API dependency to 2.0.1 (#382)

Author: akerekes

invoker/pom.xml

@@ -65,7 +65,7 @@
       <dependency>
         <groupId>com.google.cloud.functions</groupId>
         <artifactId>functions-framework-api</artifactId>
-        <version>2.0.0</version>
+        <version>2.0.1</version>
       </dependency>
     </dependencies>
   </dependencyManagement>