[Wasm] Bump SpiderMonkey jsshell version

Experimental flags --wasm-function-references --wasm-gc are removed.
GC is enabled by default with final subtype support.

wasm/wasm.tests/build.gradle.kts

@@ -11,7 +11,7 @@ repositories {
     ivy {
         url = URI("https://archive.mozilla.org/pub/firefox/nightly/")
         patternLayout {
-            artifact("2023/09/[revision]/[artifact]-[classifier].[ext]")
+            artifact("2023/12/[revision]/[artifact]-[classifier].[ext]")
         }
         metadataSources { artifact() }
         content { includeModule("org.mozilla", "jsshell") }
@@ -44,7 +44,7 @@ val currentOsType = run {
 }
 
 
-val jsShellVersion = "2023-09-20-09-21-12-mozilla-central"
+val jsShellVersion = "2023-12-08-21-57-22-mozilla-central"
 val jsShellSuffix = when (currentOsType) {
     OsType(OsName.LINUX, OsArch.X86_32) -> "linux-i686"
     OsType(OsName.LINUX, OsArch.X86_64) -> "linux-x86_64"