yarn --immutable on CI (#556)

* yarn --immutable on CI

* dev bump

.github/workflows/pr-any.yml

@@ -26,7 +26,7 @@ jobs:
           ${{ runner.os }}-yarn-
     - name: lint
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn lint
 
   test:
@@ -55,7 +55,7 @@ jobs:
       env:
         CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn test
 
   build_code:
@@ -82,7 +82,7 @@ jobs:
           ${{ runner.os }}-yarn-
     - name: build
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn build
 
   build_docs:
@@ -109,5 +109,5 @@ jobs:
           ${{ runner.os }}-yarn-
     - name: build
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn docs

.github/workflows/push-master.yml

@@ -38,7 +38,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn polkadot-ci-ghact-build
 
   build_docs:
@@ -71,7 +71,7 @@ jobs:
         GH_PAGES_SRC: build-docs
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        yarn install | grep -v 'YN0013'
+        yarn install --immutable | grep -v 'YN0013'
         yarn polkadot-ci-ghact-docs
 
   dummy: