Update main documentation

main/footer.js

@@ -1,7 +1,7 @@
 function writeHeader() {
-    document.write('Version 1.11.1-dev11');
+    document.write('Version 1.11.1-dev12');
 };
 
 function writeFooter()  {
-    document.write('Generated on Tue Aug 30 2022 07:44:33 for CMSIS-DSP 1.11.1-dev11+gb416800. Copyright © 2022 Arm Limited (or its affiliates). All rights reserved.');
+    document.write('Generated on Tue Aug 30 2022 11:49:01 for CMSIS-DSP 1.11.1-dev12+g305b12c. Copyright © 2022 Arm Limited (or its affiliates). All rights reserved.');
 };

version.js

@@ -1,6 +1,6 @@
 //--- list of versions ---
 const versions = {
-    "main": "1.11.1-dev11",
+    "main": "1.11.1-dev12",
     "latest": "1.11.0",
     "v1.10.1": "1.10.1"
 }