Change JVM settings to reduce build times in CI

Author: ascopes

.mvn/jvm.config

@@ -1,6 +1,8 @@
+-Xshare:auto
+-XX:TieredStopAtLevel=1
 -XX:+CrashOnOutOfMemoryError
 -XX:+TieredCompilation
--XX:TieredStopAtLevel=1
+-XX:+UseParallelGC
 --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED
 --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
 --add-exports jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED

.mvn/maven.config

@@ -1,4 +1,5 @@
--T1C
--Dstyle.color=always
+-Dmaven.artifact.threads=20
 -Dmaven.wagon.httpconnectionManager.ttlSeconds=120
+-Dstyle.color=always
+--threads=1C
 --no-transfer-progress

pom.xml

@@ -147,15 +147,16 @@
           itself at runtime which now are raised as of Java 22.
     -->
     <argLine>
-      -XX:+CrashOnOutOfMemoryError
-      -XX:+TieredCompilation
-      -XX:TieredStopAtLevel=1
-      -Xshare:off
       -Dnet.bytebuddy.experimental=true
-      -Dorg.slf4j.simpleLogger.log.io.github.ascopes=DEBUG
+      -Dorg.slf4j.simpleLogger.log.io.github.ascopes=INFO
+      -XX:TieredStopAtLevel=1
+      -XX:+CrashOnOutOfMemoryError
       -XX:+EnableDynamicAgentLoading
-      -Xms64m
+      -XX:+TieredCompilation
+      -XX:+UseParallelGC
+      -Xms128m
       -Xmx512m
+      -Xshare:auto
     </argLine>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>