.github: Add Dependabot.yml, update actions (#171)

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: ".github/workflows"
+    schedule:
+      interval: "daily"

.github/workflows/check-link.yml

@@ -10,16 +10,29 @@ jobs:
   linkChecker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - name: Restore lychee cache
+        uses: actions/cache@v3
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{github.sha}}
+          restore-keys: cache-lychee-
+
+      - uses: actions/checkout@v3
+
       - name: lychee Link Checker
-        id: lychee
-        uses: lycheeverse/lychee-action@v1.5.4
+        uses: lycheeverse/lychee-action@v1
+        with:
+          args: "--cache --max-cache-age 1d --verbose --no-progress './**/*.md'"
+          fail: true
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
       - name: Comment on failure
-        uses: peter-evans/create-or-update-comment@v1
+        uses: peter-evans/create-or-update-comment@v3
         if: env.lychee_exit_code != 0
         with:
           issue-number: 73
           body: |
-            A link check [failed](https://github.com/nix-community/awesome-nix/actions/runs/${{ github.run_id }}).
+            A link check [failed](https://github.com/nix-community/awesome-nix/actions/runs/${{github.run_id}}).
       - name: Fail if there were link errors
-        run: exit ${{ env.lychee_exit_code }}
+        run: exit ${{env.lychee_exit_code}}

.github/workflows/main.yml

@@ -8,8 +8,9 @@ jobs:
   Awesome_Lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - run: |
-          github_token=${{ secrets.GITHUB_TOKEN }} npx awesome-lint
+      - run: npx awesome-lint
+        env:
+          github_token: ${{secrets.GITHUB_TOKEN}}