chore: update dependencies

Author: Alan5142

appengine-java21/ee8/mail/pom.xml

@@ -38,22 +38,32 @@ Copyright 2016 Google LLC
 
   <dependencies>
     <dependency>
-      <groupId>javax.servlet</groupId>
-      <artifactId>javax.servlet-api</artifactId>
-      <version>3.1.0</version>
+      <groupId>jakarta.servlet</groupId>
+      <artifactId>jakarta.servlet-api</artifactId>
+      <version>4.0.4</version>
       <type>jar</type>
       <scope>provided</scope>
     </dependency>
 
     <dependency>
       <groupId>com.google.appengine</groupId>
       <artifactId>appengine-api-1.0-sdk</artifactId>
-      <version>2.0.23</version>
+      <version>2.0.39</version>
     </dependency>
     <dependency>
-      <groupId>javax.mail</groupId>
-      <artifactId>mail</artifactId>
-      <version>1.4.7</version>
+      <groupId>jakarta.mail</groupId>
+      <artifactId>jakarta.mail-api</artifactId>
+      <version>1.6.7</version>
+    </dependency>
+    <dependency>
+    <groupId>com.sun.mail</groupId>
+      <artifactId>jakarta.mail</artifactId>
+      <version>1.6.7</version>
+    </dependency>
+    <dependency>
+      <groupId>jakarta.activation</groupId>
+      <artifactId>jakarta.activation-api</artifactId>
+      <version>1.2.2</version>
     </dependency>
   </dependencies>
   <build>
@@ -68,7 +78,7 @@ Copyright 2016 Google LLC
       <plugin>
         <groupId>com.google.cloud.tools</groupId>
         <artifactId>appengine-maven-plugin</artifactId>
-        <version>2.5.0</version>
+        <version>2.8.3</version>
         <configuration>
           <projectId>GCLOUD_CONFIG</projectId>
           <version>GCLOUD_CONFIG</version>