ci: fix node v20 (#1131)

.github/workflows/nodejs.yml

@@ -60,7 +60,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [14.x, 16.x, 18.x, 20.x]
         webpack-version: [latest]
 
     runs-on: ${{ matrix.os }}
@@ -82,6 +82,10 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: "npm"
 
+      - name: Uninstall fibers
+        run: npm uninstall fibers --save-dev --no-scripts --ignore-scripts
+        if: matrix.node-version == '20.x'
+
       - name: Install dependencies
         run: npm ci