ci: update config

.github/dependabot.yml

@@ -9,4 +9,4 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "monthly"
-    open-pull-requests-limit: 20
+    open-pull-requests-limit: 15

.github/workflows/test.yml

@@ -17,9 +17,3 @@ jobs:
           node-version: '16.x'
       - run: npm install
       - run: npm run lint && npm run build
-
-      - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v2.1.4
-        with:
-          name: devDist
-          path: ./dist/index/*