fix(workflows): use legacy-peer-deps flag for npm install

Update npm install command in the workflow to use --legacy-peer-deps flag while awaiting resolution of eslint flat config breaking peer dependencies issue. This change ensures successful package installation without violating peer dependency constraints.

.github/workflows/firebase-hosting-merge.yml

@@ -15,7 +15,7 @@ jobs:
             - uses: actions/checkout@v3
 
             - name: Install Dependancies
-              run: npm install --force # Remove this flag once eslint flat config is no longer breaking peer dependencies
+              run: npm install --legacy-peer-deps # Remove this flag once eslint flat config is no longer breaking peer dependencies
 
             - name: Build Application
               run: npm run build