Mark 3.1.11 as released (#17013)

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.
 
-3.1.11
+3.1.12
 ------
+
+3.1.11 - 05/21/2022
+-------------------
 - The return value of `emscripten_get_compiler_setting` was changed from `int`
   to `long` so that it is compatible with `MEMORY64`.  The return value of this
   function sometimes contains a pointer value so `int` is not sufficiently

emscripten-version.txt

@@ -1 +1 @@
-3.1.11-git
+3.1.12-git