chore: upgrade eslint-plugin-unicorn to v49.0.0 (#17837)

it removed the deprecated `context.getScope()` usage (released in v48.0.0)
refs: sindresorhus/eslint-plugin-unicorn@ab7732e

Signed-off-by: 唯然 <weiran.zsd@outlook.com>

package.json

@@ -123,7 +123,7 @@
     "eslint-plugin-internal-rules": "file:tools/internal-rules",
     "eslint-plugin-jsdoc": "^46.2.5",
     "eslint-plugin-n": "^16.4.0",
-    "eslint-plugin-unicorn": "^42.0.0",
+    "eslint-plugin-unicorn": "^49.0.0",
     "eslint-release": "^3.2.0",
     "eslump": "^3.0.0",
     "esprima": "^4.0.1",

packages/eslint-config-eslint/package.json

@@ -32,7 +32,7 @@
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-jsdoc": "^46.5.1",
     "eslint-plugin-n": "^16.4.0",
-    "eslint-plugin-unicorn": "^42.0.0"
+    "eslint-plugin-unicorn": "^49.0.0"
   },
   "keywords": [
     "eslintconfig",