Update Actions format to new workflow declaration

.github/main.workflow

@@ -1,13 +0,0 @@
-workflow "Lint Awesome List on Pull Request" {
-  resolves = ["max/awesome-lint"]
-  on = "pull_request"
-}
-
-action "max/awesome-lint" {
-  uses = "max/awesome-lint@1.0.0"
-}
-
-workflow "Lint Awesome List on Push" {
-  on = "push"
-  resolves = ["max/awesome-lint"]
-}

.github/workflows/lint.yml

@@ -0,0 +1,8 @@
+name: Lint Awesome List
+on: [push, pull_request]
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: max/awesome-lint@1.0.0