Update workflows node version to 20

Author: vitorflg

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-            node-version: 12
+          node-version: 20
       - run: yarn install --ignore-scripts
       - run: yarn run ci:prettier-check
       - run: yarn run lint
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        node-version: [12]
+        node-version: [20]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
@@ -34,4 +34,4 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - run: yarn install --ignore-scripts
-      - run: yarn run ci:test
+      - run: yarn run ci:test

.github/workflows/publish-prerelease-npm.yml

@@ -14,11 +14,11 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-            node-version: 12
-            registry-url: https://registry.npmjs.org/
+          node-version: 20
+          registry-url: https://registry.npmjs.org/
       - run: yarn install --ignore-scripts
       - run: yarn build
       - run: npm publish --access=public --tag beta
         env:
-            NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
-            IS_CI: "true"
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+          IS_CI: 'true'

.github/workflows/publish-stable-npm.yml

@@ -14,11 +14,11 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-            node-version: 12
-            registry-url: https://registry.npmjs.org/
+          node-version: 20
+          registry-url: https://registry.npmjs.org/
       - run: yarn install --ignore-scripts
       - run: yarn build
       - run: npm publish --access=public
         env:
-            NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
-            IS_CI: "true"
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+          IS_CI: 'true'