fix(tests): fire mutation event on tune activation (#2281)

* fix(onchange): fire mutation event if there are other changes along with mutation-free nodes

* update header dependency

* use node 16 for windows

* fix onChange firing by manual dispatchChange() call

* eslint

* use node 16 for ci tests

* Update CHANGELOG.md

.github/workflows/cypress.yml

@@ -7,6 +7,9 @@ jobs:
       image: cypress/browsers:node14.17.0-chrome88-ff89
       options: --user 1001
     steps:
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
       - uses: actions/checkout@v2
       - run: yarn ci:pull_paragraph
       - uses: cypress-io/github-action@v2
@@ -17,6 +20,9 @@ jobs:
   chrome:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
       - uses: actions/checkout@v2
       - run: yarn ci:pull_paragraph
       - uses: cypress-io/github-action@v2
@@ -27,6 +33,9 @@ jobs:
   edge:
     runs-on: windows-latest
     steps:
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
       - uses: actions/checkout@v2
       - run: yarn ci:pull_paragraph
       - uses: cypress-io/github-action@v2