chore(mcp-integrations): replace spotify/prettier-config with backstage/cli/prettier-config (#2909)

Signed-off-by: Christoph Jerolimov <jerolimov+git@redhat.com>

Author: christoph-jerolimov

workspaces/mcp-integrations/package.json

@@ -42,7 +42,6 @@
     "@backstage/e2e-test-utils": "^0.1.2",
     "@backstage/repo-tools": "^0.17.0",
     "@changesets/cli": "^2.27.1",
-    "@spotify/prettier-config": "^12.0.0",
     "knip": "^5.27.4",
     "node-gyp": "^9.0.0",
     "prettier": "^2.3.2",
@@ -53,7 +52,7 @@
     "@types/react-dom": "^18",
     "@microsoft/api-extractor": "7.58.7"
   },
-  "prettier": "@spotify/prettier-config",
+  "prettier": "@backstage/cli/config/prettier",
   "lint-staged": {
     "*.{js,jsx,ts,tsx,mjs,cjs}": [
       "eslint --fix",

workspaces/mcp-integrations/yarn.lock

@@ -5540,7 +5540,6 @@ __metadata:
     "@backstage/e2e-test-utils": "npm:^0.1.2"
     "@backstage/repo-tools": "npm:^0.17.0"
     "@changesets/cli": "npm:^2.27.1"
-    "@spotify/prettier-config": "npm:^12.0.0"
     knip: "npm:^5.27.4"
     node-gyp: "npm:^9.0.0"
     prettier: "npm:^2.3.2"
@@ -10537,15 +10536,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@spotify/prettier-config@npm:^12.0.0":
-  version: 12.0.0
-  resolution: "@spotify/prettier-config@npm:12.0.0"
-  peerDependencies:
-    prettier: 2.x
-  checksum: 10c0/c19ea09a0c6937dc08917a5890a01c800450ed8f20f614ec2239e09a5897a7d40eb28e5af70ae58c7f41d56769c0fc516ab0ae672d2fd7585016cd54ad514336
-  languageName: node
-  linkType: hard
-
 "@standard-schema/spec@npm:^1.1.0":
   version: 1.1.0
   resolution: "@standard-schema/spec@npm:1.1.0"