adding github action to update kernelPackages daily

.github/workflows/kernel_packages_update.yml

@@ -0,0 +1,40 @@
+name: Daily Pull Request
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  create-pull-request:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Make changes
+        run: |
+          # Update ZFS package to match the latest supported Linux kernel version
+
+          raw_latest_zfs=$(curl -s https://raw.githubusercontent.com/openzfs/zfs/master/META | grep Linux-Maximum | cut -d" " -f2)
+
+          latest_zfs="${raw_latest_zfs//./_}"
+
+          sed -i "s/linuxPackages_6_[0-9]\+/linuxPackages_$latest_zfs/" systems/common/global/default.nix
+
+          # Commit the changes
+          git config user.name "GitHub Actions Bot"
+          git config user.email "<>"
+          git add systems/common/global/default.nix
+          git commit -m "Update Linux kernel and ZFS packages"
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: Daily update
+          title: Daily update
+          body: |
+            This is an automated pull request.
+            Daily update performed+9 at $(date)
+          branch: daily-update
+          delete-branch: true