libs: use up-to-date external dependencies

pom.xml

@@ -17,7 +17,7 @@
     <properties>
         <version.dcache>7.2.2</version.dcache>
         <java.version>11</java.version>
-        <version.grpc>1.38.1</version.grpc>
+        <version.grpc>1.42.1</version.grpc>
     </properties>
 
     <licenses>
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.14.0</version>
+            <version>3.19.1</version>
         </dependency>
 
         <!-- enforce Java11 compliant version -->
@@ -78,7 +78,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-tcnative-boringssl-static</artifactId>
-            <version>2.0.25.Final</version>
+            <version>2.0.45.Final</version>
             <scope>provided</scope>
         </dependency>
         <dependency>