Upgrade to GitHub-native Dependabot (#654)

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,29 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/html"
+  schedule:
+    interval: daily
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: ts-loader
+    versions:
+    - 8.0.16
+    - 9.0.0
+    - 9.1.0
+  - dependency-name: husky
+    versions:
+    - 5.1.0
+    - 5.2.0
+  - dependency-name: html-webpack-plugin
+    versions:
+    - 4.5.2
+  - dependency-name: typescript
+    versions:
+    - 3.9.8
+  - dependency-name: mini-css-extract-plugin
+    versions:
+    - 1.3.6
+  - dependency-name: gts
+    versions:
+    - 3.1.0