fix: run install when dependabot updates us

Author: wraithgar

.github/workflows/post-dependabot.yml

@@ -0,0 +1,31 @@
+# This file is automatically added by @npmcli/template-oss. Do not edit.
+
+name: "Post Dependabot Actions"
+on: pull_request
+
+jobs:
+  Install:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/[email protected]
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: npm install and commit
+        if: ${{contains(steps.metadata.outputs.dependency-names, '@npmcli/template-oss')}}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "npm cli ops bot"
+          gh pr checkout ${{ github.event.pull_request.number }}
+          npm install
+          git add .
+          git commit -am "chore: postinstall for dependabot template-oss PR"
+          git push origin ${{github.ref_name}}

lib/content/post-dependabot.yml

@@ -0,0 +1,31 @@
+# This file is automatically added by @npmcli/template-oss. Do not edit.
+
+name: "Post Dependabot Actions"
+on: pull_request
+
+jobs:
+  Install:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/[email protected]
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: npm install and commit
+        if: ${{contains(steps.metadata.outputs.dependency-names, '@npmcli/template-oss')}}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "npm cli ops bot"
+          gh pr checkout ${{ github.event.pull_request.number }}
+          npm install
+          git add .
+          git commit -am "chore: postinstall for dependabot template-oss PR"
+          git push origin ${{github.ref_name}}

lib/postinstall/copy-content.js

@@ -22,6 +22,7 @@ const repoFiles = {
   '.github/dependabot.yml': './dependabot.yml',
   '.github/workflows/audit.yml': './audit.yml',
   '.github/workflows/codeql-analysis.yml': './codeql-analysis.yml',
+  '.github/workflows/post-dependabot.yml': './post-dependabot.yml',
   '.github/workflows/pull-request.yml': './pull-request.yml',
   '.github/workflows/release-please.yml': './release-please.yml',
 }