Put release date in Release Notes.

carlosame · carlosame · commit cdb2a2a04a3a · 2022-02-15T14:12:29.000+01:00
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -1,6 +1,6 @@
 # css4j-agent version 3.7.0 Release Notes
 
-### TBD
+### February 15, 2022
 
 <br/>
 

-Original file line number
+Diff line change
@@ @@ -1,6 +1,6 @@ @@
 # css4j-agent version 3.7.0 Release Notes
 -### TBD
 +### February 15, 2022
 <br/>