ci: use super-linter (#683)

.github/workflows/lint.yml

@@ -3,20 +3,12 @@ on: [push, pull_request, pull_request_target]
 name: Lint
 
 jobs:
-  shellcheck:
+  super-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: shellcheck
-        uses: ludeeus/action-shellcheck@0.5.0
+      - name: Checkout Code
+        uses: actions/checkout@v2
+      - name: Lint Code Base
+        uses: github/super-linter@v3.13.1
         env:
-          SHELLCHECK_OPTS: -e SC1091,SC2164,SC2034,SC1072,SC1073,SC1009
-
-  shfmt:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: shfmt
-        uses: bltavares/actions/shfmt@master
-        env:
-          SHFMT_ARGS: -d
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}