release 23.10.3 (#6333)

Signed-off-by: garyschulte <garyschulte@gmail.com>

gradle.properties

@@ -1,4 +1,4 @@
-version=23.10.3-RC4
+version=23.10.3
 
 org.gradle.welcome=never
 # Set exports/opens flags required by Google Java Format and ErrorProne plugins. (JEP-396)
@@ -15,4 +15,4 @@ org.gradle.jvmargs=-Xmx4g \
 --add-opens jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED \
 --add-opens jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED
 # Could be moved to sonar properties after https://sonarsource.atlassian.net/browse/SONARGRADL-134
-systemProp.sonar.gradle.skipCompile=true
+systemProp.sonar.gradle.skipCompile=true