update the Jolt-Physics source and assets to 5b7b06f (sg251125)

Author: stephengold

build.gradle

@@ -17,7 +17,7 @@ plugins {
 // or by -P options on the Gradle command line.
 
 ext {
-    joltTag = 'sg251012'
+    joltTag = 'sg251125'
     downloadedJoltZip = "downloads/JoltPhysics-${joltTag}.zip"
     downloadedVhacdZip = 'downloads/v-hacd-4.1.0.zip'