Add dependabot config

.github/dependabot.yml

@@ -0,0 +1,22 @@
+#################################
+# Dependabot Configuration File #
+#################################
+
+# current Github-native version of Dependabot
+version: 2
+
+updates:
+  # Enable version updates for Python libraries in `requirements_dev.txt`
+  # These can be updated more frequently than those in `requirements_prod.txt` since
+  # they are not pinned by the Airflow constraints file.
+  - package-ecosystem: pip
+    directory: /
+    # Check for updates once a week
+    schedule:
+      interval: monthly
+    labels:
+      - "💻 aspect: code"
+      - "🧰 goal: internal improvement"
+      - "🟩 priority: low"
+      - "🐍 tech: python"
+      - dependencies

justfile

@@ -28,7 +28,7 @@ check-py-version:
 
 # Install dependencies into the current environment
 install: check-py-version
-    pip install -r requirements.txt -r requirements_dev.txt
+    pip install -r requirements_tooling.txt -r requirements_dev.txt
     pre-commit install
 
 # Create the .env file from the template

requirements_tooling.txt

@@ -0,0 +1,6 @@
+# For local dev tooling only, this is separate from requirements_dev.txt because these
+# libraries are not needed within the built docker container in any environment.
+black==22.3.0
+flake8==3.9.2
+isort==5.9.3
+pre-commit==2.14.0