Add prettier as dev dependency

package-lock.json

@@ -62,6 +62,7 @@
         "glob": "^13.0.6",
         "globals": "^17.13.0",
         "nock": "^14.0.17",
+        "prettier": "^3.9.10",
         "sinon": "^22.1.0",
         "typescript": "^6.0.3",
         "typescript-eslint": "^8.72.0"
@@ -8670,9 +8671,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.1.tgz",
-      "integrity": "sha512-G+YdqtITVZmOJje6QkXQWzl3fSfMxFwm1tjTyo9exhkmWSqC4Yhd1+lug++IlR2mvRVAxEDDWYkQdeSztajqgg==",
+      "version": "3.9.10",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.10.tgz",
+      "integrity": "sha512-skGHTH1Yb9QvaTC4hWnRTzEYtCpApF0UMBPz+t/0ZPzP8ihefo/btKd+QA7pUE0fEwA1SbS/NmhyEcstdXOIdA==",
       "dev": true,
       "license": "MIT",
       "bin": {

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "_build_comment": "echo 'Run the full build so we typecheck the project and can reuse the transpiled files in npm test'",
     "build": "./scripts/check-node-modules.sh && npm run transpile && node build.mjs",
+    "format-yaml": "prettier --write --parser yaml '**/*.{yml,yaml}'",
     "lint": "eslint --report-unused-disable-directives --max-warnings=0 .",
     "lint-ci": "SARIF_ESLINT_IGNORE_SUPPRESSED=true eslint --report-unused-disable-directives --max-warnings=0 . --format @microsoft/eslint-formatter-sarif --output-file=eslint.sarif",
     "lint-fix": "eslint --report-unused-disable-directives --max-warnings=0 . --fix",
@@ -70,6 +71,7 @@
     "glob": "^13.0.6",
     "globals": "^17.13.0",
     "nock": "^14.0.17",
+    "prettier": "^3.9.10",
     "sinon": "^22.1.0",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.72.0"

tsconfig.json

@@ -37,5 +37,5 @@
       "@octokit/core/dist-types/types": ["./node_modules/@octokit/core/dist-types/types.d.ts"]
     },
   },
-  "exclude": ["node_modules", "pr-checks"]
+  "exclude": ["node_modules", "pr-checks", "prettier.config.mts"]
 }