Prepared release 3.0.0-M2 (#1489)

Pull request: #1489

Author: lefou

readme/Footer.scalatex

@@ -127,6 +127,16 @@
 
 
   @sect{Changelog}
+    @sect{3.0.0-M2}
+      @ul
+        @li
+          Support for Scala 2.13.14
+        @li
+          Added more Scala 3 keywords to the internal parser
+        @li
+          API facing dependency updates: geny 1.1.0, os-lib 0.10.0, pprint 0.9.0, requests 0.8.2, sourcecode 0.4.1
+        @li
+          Various other dependency updates
     @sect{3.0.0-M1}
       @ul
         @li