fix: Downgrade @stylistic/eslint-plugin to v3.1.0 (#5608)

* revert: downgrade @stylistic/eslint-plugin to v3

* chore: changeset

* chore: add to dependabot ignore list

Author: ZhongpinWang

.changeset/tame-spoons-kiss.md

@@ -0,0 +1,5 @@
+---
+'@sap-cloud-sdk/eslint-config': patch
+---
+
+[Fixed Issue] Downgrade `@stylistic/eslint-plugin` to v3 as v4 is EMS-only.

.github/dependabot.yml

@@ -18,6 +18,9 @@ updates:
       # execa v6 needs ESM, see https://github.com/sindresorhus/execa/releases/tag/v6.0.0, we'll stay on v5 until we can use ESM
       - dependency-name: 'execa'
         update-types: ['version-update:semver-major']
+      # @stylistic/eslint-plugin v4 needs ESM, see https://github.com/eslint-stylistic/eslint-stylistic/releases/tag/v4.0.0, we'll stay on v3 until we can use ESM
+      - dependency-name: '@stylistic/eslint-plugin'
+        update-types: ['version-update:semver-major']
   - package-ecosystem: 'github-actions'
     directory: '/'
     schedule:

packages/eslint-config/package.json

@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "@eslint/js": "^9.21.0",
-    "@stylistic/eslint-plugin": "^4.2.0",
+    "@stylistic/eslint-plugin": "^3.1.0",
     "@typescript-eslint/parser": "^8.25.0",
     "eslint-config-prettier": "^10.0.2",
     "eslint-import-resolver-typescript": "^3.8.3",