chore: fix workflow

Author: joshuaellis

.github/workflows/main.yml

@@ -21,9 +21,8 @@ jobs:
         with:
           node-version: '15.11.0'
 
-      # Throw an error if the yarn.lock file doesn't match the installed dependencies (rather than updating it in-place, which it does by default locally)
       - name: Install
-        run: yarn install --frozen-lockfile --silent
+        run: yarn install
 
       - name: Typecheck
         run: yarn test:ts