Upgrade to GitHub-native Dependabot

.github/dependabot.yml

@@ -0,0 +1,78 @@
+version: 2
+updates:
+- package-ecosystem: docker
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "12:00"
+  open-pull-requests-limit: 99
+  ignore:
+  - dependency-name: alpine
+    versions:
+    - 3.13.3
+    - 3.13.4
+- package-ecosystem: pip
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "12:00"
+  open-pull-requests-limit: 99
+  ignore:
+  - dependency-name: black
+    versions:
+    - 20.8b1
+    - 21.4b0
+  - 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: pre-commit
+    versions:
+    - 2.10.0
+    - 2.10.1
+    - 2.11.0
+    - 2.11.1
+    - 2.12.0
+  - dependency-name: python-dotenv
+    versions:
+    - 0.16.0
+  - dependency-name: urllib3
+    versions:
+    - 1.26.3
+  - dependency-name: flake8
+    versions:
+    - 3.9.0
+  - dependency-name: alembic
+    versions:
+    - 1.5.2
+    - 1.5.3
+    - 1.5.4
+    - 1.5.5
+    - 1.5.6
+    - 1.5.7
+  - dependency-name: testcontainers
+    versions:
+    - 3.3.0
+  - dependency-name: sendgrid
+    versions:
+    - 6.5.0
+    - 6.6.0
+  - dependency-name: pytest
+    versions:
+    - 6.2.2
+  - dependency-name: pyjwt
+    versions:
+    - 2.0.1
+  - dependency-name: uvicorn
+    versions:
+    - 0.13.3