docs: Add release notes for v5.0.0a22

DIRACGrid CI · DIRACGrid CI · commit 39e553d3f571 · 2022-08-19T08:24:33.000Z
diff --git a/release.notes b/release.notes
@@ -1,3 +1,6 @@
+[v5.0.0a22]
+
+
 [v5.0.0a21]
 
 

-Original file line number
+Diff line change
@@ @@ -1,3 +1,6 @@ @@
 +[v5.0.0a22]
++
++
 [v5.0.0a21]