feat: re-enable webpack 2, 3 and 4 e2e tests (#931)

Author: codepunkt

.github/workflows/test.yml

@@ -17,9 +17,9 @@ jobs:
       matrix:
         node-version: [16.x, 18.x, 20.x]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node-version }}
       - name: Install dependencies
@@ -32,19 +32,12 @@ jobs:
       - name: Lint
         run: |
           npm run lint
-      - name: Run tests and generate coverage information (Node 18.x, Node 20.x)
-        if: matrix.node-version != '16.x'
-        run: |
-          NODE_OPTIONS=--openssl-legacy-provider npm run test && npm run coverage
-        env:
-          CI: true
-      - name: Run tests and generate coverage information (Node 16.x)
-        if: matrix.node-version == '16.x'
+      - name: Run tests and generate coverage info
         run: |
           npm run test && npm run coverage
         env:
           CI: true
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

README.md

@@ -38,7 +38,7 @@
 
 This plugin extracts _open source license information_ about all of the npm packages in your webpack output and helps you identify and fix problems with your open source licensing policy.
 
-This plugin has full unit and end to end test coverage and is tested with **webpack 5**. It will help you:
+This plugin has full unit and end to end test coverage and is tested with **webpack 2, 3, 4 and 5**. It will help you:
 
 - Discover every npm package used in your webpack output
 - Find out how it is licensed