feat: Migrate to undici MockClient

Breaking change!

- Internally uses `undici`'s `MockAgent`, instead of `nock` to mock requests.
- `nock` is still used for data-matching to retain backwards
  compatibility.
- Tests now use `fetch` instead of `axios`.

Requires node>=18 and @octokit/rest>=20

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
 
       - name: Install packages

.github/workflows/pull_request.yml

@@ -13,7 +13,7 @@ jobs:
   tests:
     strategy:
       matrix:
-        node-version: [16.x]
+        node-version: [20]
         os: [ubuntu-latest]
       fail-fast: false
     runs-on: ${{ matrix.os }}
@@ -36,7 +36,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16.x
+          node-version: 20
 
       - name: Install packages
         run: npm ci

.github/workflows/report.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup sonarqube
-        uses: warchant/setup-sonar-scanner@v3     
+        uses: warchant/setup-sonar-scanner@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
       - run: npm ci
       - run: npm run test:report
         env:

.github/workflows/update.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: npm
       - run: npm install @octokit/openapi-types-ghec -D
       - run: npm ci