ci: update dependabot configuration (#574)

## Description
Make dependabot PRs weekly and add groups of dependencies.

## Issue linked
None

## Checklist
- [ ] I have tested my changes locally.
- [ ] I have added necessary documentation or updated existing
documentation.
- [ ] I have followed the coding style guidelines of this project.
- [ ] I have added appropriate tests (unit, integration, system).
- [ ] I have reviewed my changes before submitting this pull request.
- [ ] I have linked the issue or issues that are solved by the PR if
any.
- [ ] I have assigned this PR to myself.
- [ ] I have made sure that the title of my PR follows [Conventional
commits style](https://www.conventionalcommits.org/en/v1.0.0/#summary)
(e.g. ``feat: add optical property``)
- [ ] I have agreed with the Contributor License Agreement
([CLA](https://developer.ansys.com/form/cla-acceptance)).

---------

Co-authored-by: pyansys-ci-bot <[email protected]>
Co-authored-by: Stefan Thöne <[email protected]>

Author: 3 people

.github/dependabot.yml

@@ -1,20 +1,31 @@
 version: 2
 updates:
-  - package-ecosystem: "pip" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "pip"
+    directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "monday"
+      time: "05:00"
+      timezone: "Europe/Paris"
     labels:
       - "maintenance"
       - "dependencies"
+    reviewers:
+      - "StefanThoene"
+      - "pluatansys"
     assignees:
       - "pyansys-ci-bot"
     ignore:
       - dependency-name: "grpcio-tools"
       - dependency-name: "grpcio-health-checking"
     commit-message:
-      prefix: "build"
+      prefix: "build(pip)"
     groups:
+      core-deps:
+        patterns:
+          - "ansys-tools-path"
+          - "numpy"
+          - "comtypes"
       grpc-deps:
         patterns:
           - "grpc*"
@@ -31,18 +42,29 @@ updates:
           - "numpydoc"
           - "sphinx"
           - "sphinx*"
-
+      test-deps:
+        patterns:
+          - "pytest*"
+      graphics-deps:
+        patterns:
+          - "pyvista"
+          - "ansys-tools-visualization-interface"
+      jupyter-deps:
+        patterns:
+          - "jupyterlab"
+          - "ipywidgets"
+          - "notebook"
+          - "matplotlib"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "monday"
+      time: "05:00"
+      timezone: "Europe/Paris"
     labels:
       - "maintenance"
     assignees:
       - "pyansys-ci-bot"
     commit-message:
-      prefix: "ci"
-    groups:
-      actions:
-        patterns:
-          - "*"
+      prefix: "ci"

doc/changelog.d/574.maintenance.md

@@ -0,0 +1 @@
+update dependabot configuration