Manual: bump supported macOS version (from 11 to 12)

doc/manual/source/installation-and-configuration.rst

@@ -7,10 +7,10 @@ Installation and configuration
 Software requirements
 =====================
 
-Packaged versions of Dynare are available for Windows (8.1, 10 and 11),
-several GNU/Linux distributions (Debian, Ubuntu, Linux Mint, Arch Linux) and
-macOS (11). Dynare should work on other systems, but some compilation steps are
-necessary in that case.
+Packaged versions of Dynare are available for Windows (8.1, 10 and 11), several
+GNU/Linux distributions (Debian, Ubuntu, Linux Mint, Arch Linux) and macOS (12
+“Monterey”). Dynare should work on other systems, but some compilation steps
+are necessary in that case.
 
 In order to run Dynare, you need one of the following: