fix: bump dependency versions (GoogleCloudPlatform#134)

* Add build env vars support for function deployment.

* Format.

* Format.

* fix: bump some dependendy versions to latest.

Author: ludoch

invoker/core/pom.xml

@@ -97,17 +97,17 @@
     <dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-servlet</artifactId>
-      <version>9.4.26.v20200117</version>
+      <version>9.4.45.v20220203</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-server</artifactId>
-      <version>9.4.26.v20200117</version>
+      <version>9.4.45.v20220203</version>
     </dependency>
     <dependency>
       <groupId>com.beust</groupId>
       <artifactId>jcommander</artifactId>
-      <version>1.78</version>
+      <version>1.82</version>
     </dependency>
 
     <!-- Test dependencies -->

invoker/function-maven-plugin/pom.xml

@@ -50,7 +50,7 @@
     <dependency>
       <groupId>com.google.cloud.tools</groupId>
       <artifactId>appengine-maven-plugin</artifactId>
-      <version>2.2.0</version>
+      <version>2.4.1</version>
       <type>jar</type>
     </dependency>