Adapt to newer dependabot config requirements (#492)

This means that from now on, we would not be able to update
dependencies automatically other than our own. Sorts recent error:

Update configs must have a unique combination of 'package-ecosystem', 'directory', and 'target-branch'. Ecosystem 'pip' has overlapping directories.

Author: ssbarnea

.github/dependabot.yml

@@ -19,34 +19,6 @@ updates:
       - dependency-name: molecule
       - dependency-name: pytest-ansible
       - dependency-name: tox-ansible
-  # indirect dependencies that we do not want to mention in changelog
-  - package-ecosystem: pip
-    directory: /.config/
-    schedule:
-      day: sunday
-      interval: weekly
-    labels:
-      - dependabot-deps-updates
-      - skip-changelog
-    groups:
-      dependencies:
-        patterns:
-          - "*"
-        exclude-patterns:
-          - ansible-compat
-          - ansible-creator
-          - ansible-dev-environment
-          - ansible-dev-tools
-          - ansible-lint
-          - ansible-navigator
-          - molecule
-          - pytest-ansible
-          - referencing # https://github.com/p1c2u/jsonschema-path/issues/143
-          - resolvelib # tight connection with ansible-core
-          - tox-ansible
-    ignore:
-      - dependency-name: referencing
-      - dependency-name: jsonschema-specifications
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule: