Update Project Number in Doxyfile

Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: I8d1584478983aeb68f65739a9ad3d4e5d3573a5c
diff --git a/docs/Doxyfile b/docs/Doxyfile
index dd87daa..bfa10dd 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -61,7 +61,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 22.02
+PROJECT_NUMBER         = 22.05
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a