Mark 3.1.12 as released (#17066)

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.
 
-3.1.12
+3.1.13
 ------
+
+3.1.12 - 05/25/2022
+-------------------
 - Fix crash, introduced in 3.1.11, which occurred when using pointer types
   (types ending in `*`) with getValue/setValue library functions. (#17028)
 - Fix possible deadlock in multi-threaded builds that use EXIT_RUNTIME=0 with

emscripten-version.txt

@@ -1 +1 @@
-3.1.12-git
+3.1.13-git