CONFIG: set API level to 2112 (now in pre-release state)

META-INFO/api-info

-api=2109
+api=2112
 patch=0

doc/Build.md

 ## Getting the code
 
-Links to all code packs are available on https://dl.openfoam.com. For OpenFOAM-v2106:
+Links to all code packs are available on https://dl.openfoam.com. For OpenFOAM-v2112:
 
-- Source: https://dl.openfoam.com/source/v2106/OpenFOAM-v2106.tgz
-- ThirdParty: https://dl.openfoam.com/source/v2106/ThirdParty-v2106.tgz
+- https://dl.openfoam.com/source/latest/
+- Source: https://dl.openfoam.com/source/v2112/OpenFOAM-v2112.tgz
+- ThirdParty: https://dl.openfoam.com/source/v2112/ThirdParty-v2112.tgz
 
 ## OpenFOAM® Quick Build Guide
 
 Prior to building, ensure that the [system requirements][link openfoam-require]
 are satisfied (including any special [cross-compiling][wiki-cross-compile]
 considerations), and source the correct OpenFOAM environment.
-For example, for the OpenFOAM-v2106 version:
+For example, for the OpenFOAM-v2112 version:
 ```
-source <installation path>/OpenFOAM-v2106/etc/bashrc
+source <installation path>/OpenFOAM-v2112/etc/bashrc
 ```
 e.g. if installed under the `~/openfoam` directory
 ```
-source ~/openfoam/OpenFOAM-v2106/etc/bashrc
+source ~/openfoam/OpenFOAM-v2112/etc/bashrc
 ```
 
 

wmake/rules/General/general

 #-------------------------------*- makefile -*---------------------------------
-WM_VERSION = OPENFOAM=2109
+WM_VERSION = OPENFOAM=2112
 
 AR         = ar
 ARFLAGS    = cr