chore(lerna): move to lerna v9

- Move to lerna v9 to get OIDC capabilities.
- Force auth in NPM publish action.

Author: tcapet

.github/workflows/npm-publish.yml

@@ -25,6 +25,7 @@ jobs:
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
+          always-auth: true
       - run: yarn install
       - run: yarn build
       - run: yarn build-browser

lerna.json

@@ -8,6 +8,5 @@
     }
   },
   "npmClient": "yarn",
-  "useWorkspaces": true,
   "version": "4.16.1"
 }

package.json

@@ -7,7 +7,6 @@
     "build-browser": "cd packages/mjml-browser && yarn build",
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
-    "postinstall": "lerna bootstrap",
     "prettier": "prettier --write \"packages/**/{src,bin}/**/*.?(js|json)\"",
     "test": "lerna run test"
   },
@@ -27,7 +26,7 @@
     "eslint-config-airbnb-base": "^14.1.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.21.1",
-    "lerna": "^3.22.1",
+    "lerna": "^9.0.0",
     "mocha": "10",
     "open": "^7.3.0",
     "prettier": "^3.2.4",