Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,35 @@
+version: 2
+updates:
+- package-ecosystem: pip
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  open-pull-requests-limit: 10
+  ignore:
+  - dependency-name: sqlalchemy
+    versions:
+    - 1.3.22
+    - 1.3.23
+    - 1.4.0
+    - 1.4.1
+    - 1.4.2
+    - 1.4.3
+    - 1.4.4
+    - 1.4.5
+    - 1.4.6
+    - 1.4.7
+    - 1.4.8
+    - 1.4.9
+  - dependency-name: python-dotenv
+    versions:
+    - 0.15.0
+    - 0.16.0
+  - dependency-name: pandas
+    versions:
+    - 1.2.1
+    - 1.2.2
+    - 1.2.3
+  - dependency-name: pytest
+    versions:
+    - 6.2.2