[Releng] Update maven resources plugin for more reproducible builds

Change-Id: Ie507eb56cf2e6abcbbc9502c61a3e83ac7894aa2

releng/pom.xml

diff --git a/releng/pom.xml b/releng/pom.xml
index 9309032..20d023a 100644
--- a/releng/pom.xml
+++ b/releng/pom.xml
@@ -254,7 +254,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-resources-plugin</artifactId>
-					<version>3.1.0</version>
+					<version>3.2.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>

releng/spring.boot/pom.xml

diff --git a/releng/spring.boot/pom.xml b/releng/spring.boot/pom.xml
index 9c23ea7..2ace3b8 100644
--- a/releng/spring.boot/pom.xml
+++ b/releng/spring.boot/pom.xml
@@ -43,6 +43,7 @@
 		
 		<java.version>11</java.version>
 		<maven.compiler.release>${java.version}</maven.compiler.release>
+		<maven-resources-plugin.version>3.2.0</maven-resources-plugin.version>
 		
 		<jetty.version>9.4.32.v20200930</jetty.version>