chore: migrate to eslint@9

Related to bpmn-io/internal-docs#1042

Author: barmac

.eslintignore

@@ -0,0 +1,37 @@
+import bpmnIoPlugin from 'eslint-plugin-bpmn-io';
+
+export default [
+  {
+    ignores: [
+      'dist'
+    ]
+  },
+  ...bpmnIoPlugin.configs.browser,
+  ...bpmnIoPlugin.configs.node.map(config => {
+    return {
+      ...config,
+      files: [
+        'karma.conf.js',
+        '**/test/**/*.js'
+      ]
+    };
+  }),
+  ...bpmnIoPlugin.configs.mocha.map(config => {
+    return {
+      ...config,
+      files: [
+        '**/test/**/*.js'
+      ]
+    };
+  }),
+  {
+    languageOptions: {
+      globals: {
+        sinon: true
+      },
+    },
+    files: [
+      '**/test/**/*.js'
+    ]
+  }
+];

.eslintrc

@@ -34,7 +34,7 @@
     "chai": "^4.4.1",
     "diagram-js": "^14.7.1",
     "eslint": "^9.0.0",
-    "eslint-plugin-bpmn-io": "^2.0.0",
+    "eslint-plugin-bpmn-io": "^2.0.1",
     "inherits-browser": "^0.1.0",
     "karma": "^6.4.3",
     "karma-chrome-launcher": "^3.2.0",

eslint.config.mjs

@@ -1,5 +1,3 @@
-/* global sinon */
-
 import {
   attr as svgAttr,
   remove as domRemove,