chore(deps): add a weekly dependency bump workflow

.github/workflows/update_dependencies.yml

@@ -0,0 +1,62 @@
+# This workflow requires a personal access token for uirouterbot
+name: Weekly Dependency Bumps
+on:
+  schedule:
+    - cron: '18 22 * * 6'
+
+jobs:
+  upgrade-dependencies:
+    runs-on: ubuntu-latest
+    name: Update dependencies
+    strategy:
+      matrix:
+        excludes: ['']
+        deptype: ['dependencies', 'devDependencies']
+        latest: [false]
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          git config user.name uirouterbot
+          git config user.password ${{ secrets.UIROUTERBOT_PAT }}
+          git remote set-url origin $(git remote get-url origin | sed -e 's/ui-router/uirouterbot/')
+          git fetch --unshallow -p origin
+      - name: Update dependencies
+        id: upgrade
+        uses: ui-router/publish-scripts/actions/[email protected]
+        with:
+          exclude: ${{ matrix.excludes }}
+          deptype: ${{ matrix.deptype }}
+          latest: ${{ matrix.latest }}
+      - name: Create Pull Request
+        id: cpr
+        if: ${{ steps.upgrade.outputs.upgrades != '' }}
+        # the following hash is from https://github.com/peter-evans/create-pull-request/releases/tag/v2.7.0
+        uses: peter-evans/create-pull-request@340e629d2f63059fb3e3f15437e92cfbc7acd85b
+        with:
+          token: ${{ secrets.UIROUTERBOT_PAT }}
+          request-to-parent: true
+          branch-suffix: 'random'
+          commit-message: 'chore(package): Update ${{ steps.upgrade.outputs.upgradecount }} ${{ matrix.deptype }} to ${{ steps.upgrade.outputs.upgradestrategy }}'
+          title: 'chore(package): Update ${{ steps.upgrade.outputs.upgradecount }} ${{ matrix.deptype }} to ${{ steps.upgrade.outputs.upgradestrategy }}'
+          body: |
+            chore(package): Update ${{ steps.upgrade.outputs.upgradecount }} ${{ matrix.deptype }} to ${{ steps.upgrade.outputs.upgradestrategy }}
+
+            ```
+            ${{ steps.upgrade.outputs.upgrades }}
+            ```
+
+            Auto-generated by [create-pull-request][1]
+
+            [1]: https://github.com/peter-evans/create-pull-request
+      - name: Apply Merge Label
+        if: ${{ steps.cpr.outputs.pr_number != '' }}
+        uses: actions/[email protected]
+        with:
+          github-token: ${{ secrets.UIROUTERBOT_PAT }}
+          script: |
+            await github.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: ${{ steps.cpr.outputs.pr_number }},
+              labels: ['ready to squash and merge']
+            });