feat: Export improved types for describe.each

Also add type tests.

Author: WIStudent

.github/workflows/build-and-test-on-push.yml

@@ -12,7 +12,6 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version-file: .nvmrc
       - run: npm ci
-      - run: npm run check-types
       - run: npm run test

.github/workflows/build-test-publish-on-version-tag.yml

@@ -12,10 +12,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version-file: .nvmrc
           registry-url: 'https://registry.npmjs.org'
       - run: npm ci
-      - run: npm run check-types
       - run: npm run test
       - run: npm publish
         env:

.nvmrc

@@ -0,0 +1 @@
+v18