Update deps: grpc, netty, tomcat-annotations, various maven plugins (#50)

Author: njhill

pom.xml

@@ -55,15 +55,15 @@
    </distributionManagement>
 
    <properties>
-      <grpc-version>1.34.1</grpc-version>
-      <netty-version>4.1.51.Final</netty-version>
-      <netty-tcnative-version>2.0.31.Final</netty-tcnative-version>
+      <grpc-version>1.35.0</grpc-version>
+      <netty-version>4.1.52.Final</netty-version>
+      <netty-tcnative-version>2.0.34.Final</netty-tcnative-version>
       <protobuf-version>3.14.0</protobuf-version>
       <gson-version>2.8.6</gson-version>
       <slf4j-version>1.7.30</slf4j-version>
       <junit-version>4.13.1</junit-version>
       <guava-version>30.1-jre</guava-version>
-      <annotations-version>9.0.40</annotations-version>
+      <annotations-version>9.0.41</annotations-version>
 
       <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
@@ -187,7 +187,7 @@
          <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-surefire-plugin</artifactId>
-            <version>2.22.1</version>
+            <version>2.22.2</version>
             <configuration>
                <includes>
                   <include>**/*TestSuite.java</include>
@@ -197,7 +197,7 @@
          <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>3.1.1</version>
+            <version>3.2.0</version>
             <configuration>
                <source>8</source>
                <quiet>true</quiet>
@@ -243,7 +243,7 @@
                <plugin>
                   <groupId>org.apache.maven.plugins</groupId>
                   <artifactId>maven-source-plugin</artifactId>
-                  <version>3.2.0</version>
+                  <version>3.2.1</version>
                   <executions>
                      <execution>
                         <id>attach-sources</id>