rebase before adding files and create/update a PR

.github/workflows/fetch-licenses.yaml

@@ -23,6 +23,11 @@ jobs:
               with:
                   ref: auto-update-licenses
 
+            - name: Rebase branch auto-update-licenses branch on main
+              run: |
+                  git fetch origin main
+                  git rebase origin/main
+
             - name: Checkout SPDX Repository
               uses: actions/checkout@v2
               with:
@@ -49,6 +54,13 @@ jobs:
               run: |
                   git config --local user.email "[email protected]"
                   git config --local user.name "GitHub Action"
-                  git add cmd/
+                  git update-index --assume-unchanged spdx-license-list-data/ # Ignore the path setup for the SPDX repository
                   git commit -m "Add updated license files - $(date)" -a
                   git push
+
+            - name: Create Pull Request
+              uses: peter-evans/create-pull-request@v3
+              with:
+                  title: "Add updated SPDX license files"
+                  body: "The files in this PR are auto-generated by the [fetch-licenses](./.git/workflows/fetch-license.yaml) workflow.  It updates SPDX licenses based on the latest released set of SPDX licenses at [spdx/license-list-data](https://github.com/spdx/license-list-data) repository maintained by [SPDX](https://spdx.org).  This PR updates the license files with the latest SPDX data."
+                  branch: "auto-update-licenses"