update peter-evans/create-pull-request to v6

Author: devusb

action.yml

@@ -187,7 +187,7 @@ runs:
       run: rm -f pr_body.txt pr_body.template
     - name: Create PR
       id: create-pr
-      uses: peter-evans/create-pull-request@v5
+      uses: peter-evans/create-pull-request@v6
       with:
         base: ${{ inputs.base }}
         branch: ${{ inputs.branch }}