Mark 3.1.46 as released (#20267)

Author: sbc100

ChangeLog.md

@@ -18,8 +18,11 @@ to browse the changes between the tags.
 
 See docs/process.md for more on how version tagging works.
 
-3.1.46 (in development)
+3.1.47 (in development)
 -----------------------
+
+3.1.46 - 09/15/23
+-----------------
 - The `wasmTable` global is now a JS library function that will only be included
   as needed.  Code that references `wasmTable` will no need to declare a
   dependency on it.  It can also be explictly included using

emscripten-version.txt

@@ -1 +1 @@
-3.1.46-git
+3.1.47-git