Merge pull request #124 from keep-network/unify-ci-workflows

Unify CI workflows

Author: nkuba

.github/workflows/format.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - main
   pull_request:
+  workflow_dispatch:
 
 jobs:
   code-format:
@@ -15,6 +16,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: "14.x"
+          cache: "yarn"
 
       - name: Install dependencies
         run: yarn install