Fix Dependabot Config & Expand to Manage Python CI Deps (#94)

Fix typo in dependabot config and expand to manage pip ci deps

.github/dependabot.yml

@@ -1,6 +1,14 @@
-versions: 2
+version: 2
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "daily"
+  - package-ecosystem: "pip"
+    directory: "/.github/workflows/requirements"
+    schedule:
+      interval: "weekly"
+    ignore:
+      # setuptools releases new versions almost daily
+      - dependency-name: "setuptools"
+        update-types: ["version-update:semver-patch"]