Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,97 @@
+version: 2
+updates:
+- package-ecosystem: nuget
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: Magick.NET-Q16-AnyCPU
+    versions:
+    - 7.23.1
+    - 7.23.2
+    - 7.23.2.1
+    - 7.23.3
+  - dependency-name: MSTest.TestAdapter
+    versions:
+    - 2.2.1
+    - 2.2.2
+  - dependency-name: MSTest.TestFramework
+    versions:
+    - 2.2.1
+    - 2.2.2
+  - dependency-name: Microsoft.NET.Test.Sdk
+    versions:
+    - 16.8.3
+    - 16.9.1
+  - dependency-name: Octokit
+    versions:
+    - 0.49.0
+  - dependency-name: Portable.BouncyCastle
+    versions:
+    - 1.8.9
+  - dependency-name: Microsoft.Azure.WebJobs.Extensions.Storage
+    versions:
+    - 4.0.3
+- package-ecosystem: npm
+  directory: "/Web"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: css-loader
+    versions:
+    - 5.0.1
+    - 5.0.2
+    - 5.1.0
+    - 5.1.1
+    - 5.1.2
+    - 5.1.3
+    - 5.1.4
+    - 5.2.0
+    - 5.2.1
+    - 5.2.3
+  - dependency-name: eslint
+    versions:
+    - 7.18.0
+    - 7.19.0
+    - 7.20.0
+    - 7.21.0
+    - 7.22.0
+    - 7.23.0
+    - 7.24.0
+  - dependency-name: "@babel/core"
+    versions:
+    - 7.12.10
+    - 7.12.13
+    - 7.12.16
+    - 7.12.17
+    - 7.13.1
+    - 7.13.10
+    - 7.13.14
+    - 7.13.15
+    - 7.13.8
+  - dependency-name: y18n
+    versions:
+    - 4.0.1
+    - 4.0.2
+  - dependency-name: grunt
+    versions:
+    - 1.3.0
+  - dependency-name: lodash
+    versions:
+    - 4.17.20
+- package-ecosystem: docker
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "13:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: dotnet/core/sdk
+    versions:
+    - 3.1.405
+    - 3.1.406
+    - 3.1.407