Dependencies: Updates to mustache 0.9.3 (#20337)

modules/lang-mustache/build.gradle

@@ -24,7 +24,7 @@ esplugin {
 }
 
 dependencies {
-  compile "com.github.spullara.mustache.java:compiler:0.9.1"
+  compile "com.github.spullara.mustache.java:compiler:0.9.3"
 }
 
 integTest {

modules/lang-mustache/licenses/compiler-0.9.1.jar.sha1

@@ -1 +0,0 @@
-14aec5344639782ee76441401b773946c65eb2b3

modules/lang-mustache/licenses/compiler-0.9.3.jar.sha1

@@ -0,0 +1 @@
+2815e016c63bec4f18704ea4f5489106a5b01a99