Fix 2.6 Github Workflow

.github/workflows/pull-request.yaml

@@ -3,7 +3,7 @@ name: CI-pullrequest
 on:
   pull_request:
     branches:
-      - dev-v2.5
+      - dev-v2.6
 
 jobs:
   build:
@@ -19,7 +19,7 @@ jobs:
         run: sudo make pull-scripts
 
       - name: Pull in all relevant branches
-        run: git fetch origin release-v2.5
+        run: git fetch origin release-v2.6
       
       - name: Validate 
         run: sudo make validate