Dev Version Bump

CHANGELOG.md

+# Version 1.78 (not yet released)
+
 # Version 1.77
 
 * Fix issue with Contact Data Sources in a join.

info.xml

@@ -15,7 +15,7 @@
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
   <releaseDate>2023-08-22</releaseDate>
-  <version>1.77</version>
+  <version>1.78-dev</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.45</ver>