use system proxies by default

because despite setting it in the global settings, maven still doesn't pick it up

h2/mvnw

@@ -228,6 +228,7 @@ WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
 exec "$JAVACMD" \
   $MAVEN_OPTS \
+  -Djava.net.useSystemProxies=true \
   -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
   "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
   ${WRAPPER_LAUNCHER} $MAVEN_CMD_LINE_ARGS

h2/mvnw.cmd

@@ -121,7 +121,7 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR=""%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar""
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
-%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS%   -Djava.net.useSystemProxies=true -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
 if ERRORLEVEL 1 goto error
 goto end