test: lint all js files and inline scripts in workflow (#2442)

* Lint all js files

Closes #2414

* Lint inline scripts in workflow

* Upgrade eslint-plugin-actions to 1.0.1

Test plan:
1. Add `console` statement to the script in `.github/workflows/ci.yml`
2. Check `no-console` error is shown in `eslint`

.eslintrc

@@ -5,7 +5,8 @@
     ],
     "extends": [
         "eslint:recommended",
-        "plugin:flowtype/recommended"
+        "plugin:flowtype/recommended",
+        "plugin:actions/recommended"
     ],
     "rules": {
         "arrow-spacing": 2,
@@ -101,6 +102,11 @@
         "rules": {
             "react/prop-types": 0
         }
+    }, {
+        "files": [".github/workflows/*.{yaml,yml}/**/*.js"],
+        "rules": {
+            "indent-legacy": [2, 4, {"SwitchCase": 1, "outerIIFEBody": 0}],
+        }
     }],
     "root": true
 }