build: Switch to Yarn (#3057)

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

.github/workflows/sentry-production.yml

@@ -1,4 +1,4 @@
-name: New Sentry Production Release
+name: New Sentry production release
 
 on:
   push:
@@ -8,26 +8,21 @@ on:
 jobs:
   release:
     runs-on: ubuntu-latest
-
     steps:
       - uses: actions/checkout@v1.0.0
-
       - name: Setup Node.js 14.x
         uses: actions/setup-node@v1
         with:
           node-version: 14.x
-
       - name: Install and build
         run: |
-          npm ci
-          npm run build:app
+          yarn --frozen-lockfile
+          yarn build:app
         env:
           CI: true
-
       - name: Install Sentry
         run: |
           curl -sL https://sentry.io/get-cli/ | bash
-
       - name: Create new Sentry release
         run: |
           export SENTRY_RELEASE=$(sentry-cli releases propose-version)