Fix deprecation-workflow linting

Author: NullVoxPopuli

.changeset/tasty-rats-carry.md

@@ -0,0 +1,5 @@
+---
+'@nullvoxpopuli/eslint-configs': patch
+---
+
+in ember's deprecation-worflow.js, allow the "self" global

configs/ember.js

@@ -16,10 +16,15 @@ module.exports = (options = {}) => {
       [
         '{src,app,addon,addon-test-support,tests}/**/*.{gjs,js}',
         'tests/dummy/config/deprecation-workflow.js',
-        'config/deprecation-workflow.js',
       ],
       config.modules.browser.js
     ),
+    forFiles(
+      'config/deprecation-workflow.js',
+      merge(config.modules.browser.js, {
+        globals: { self: 'readonly' },
+      })
+    ),
     forFiles(
       '{src,app,addon,addon-test-support,tests,types}/**/*.{gts,ts}',
       config.modules.browser.ts

test-packages/ember-app-gjs/config/deprecation-workflow.js

@@ -0,0 +1,8 @@
+self.deprecationWorkflow = self.deprecationWorkflow || {};
+self.deprecationWorkflow.config = {
+  workflow: [
+    // @docfyc/ember violates these, but these are "fairly recent"
+    { handler: 'silence', matchId: 'ember-modifier.use-modify' },
+    { handler: 'silence', matchId: 'ember-modifier.no-args-property' },
+  ],
+};