chore: Update Repository Labels (#224)

## Description

This pull request includes updates to the labeling configuration files
to improve the categorization of changes in the repository. The most
important changes include adding new label configurations for markdown
files, updating the file patterns for existing labels, and introducing a
new label for markdown documentation.

Label configuration updates:

*
[`.github/other-configurations/labeller.yml`](diffhunk://#diff-b490f987d9b055ce6e06e37d13763d61f6e0d5ee349b390bbb910f8d88ff36b9L5-R15):
Added new label configuration for markdown files and updated the file
patterns for the documentation label to include all markdown files.
*
[`.github/other-configurations/labeller.yml`](diffhunk://#diff-b490f987d9b055ce6e06e37d13763d61f6e0d5ee349b390bbb910f8d88ff36b9L26-R36):
Updated the file patterns for the `github_actions` label to include
files in the `.github/actions` directory.
*
[`.github/other-configurations/labels.yml`](diffhunk://#diff-c1b32711b0f3da3f5c7007cfaa4d9e94ae5430fea1f4e1256f6210bc6988553dR64-R66):
Added a new label for markdown documentation with the color `#1900ff`.

Fixes #225

.github/other-configurations/labeller.yml

@@ -2,7 +2,17 @@
 documentation:
   - any:
       - changed-files:
-          - any-glob-to-any-file: ["README.md", "docs/**"]
+          - any-glob-to-any-file: ["README.md", "*.md", "docs/**"]
+markdown:
+  - any:
+      - changed-files:
+          - any-glob-to-any-file:
+              [
+                "docs/*.md",
+                "*.md",
+                "LICENSE",
+                ".github/pull_request_template.md",
+              ]
 dependencies:
   - any:
       - changed-files:
@@ -23,8 +33,7 @@ shell:
 github_actions:
   - any:
       - changed-files:
-          - any-glob-to-any-file:
-              [".github/workflows/*", ".github/workflows/**/*"]
+          - any-glob-to-any-file: [".github/workflows/*", ".github/actions/*"]
 docker:
   - any:
       - changed-files:

.github/other-configurations/labels.yml

@@ -61,6 +61,9 @@
 - color: 0373fc
   name: docker
   description: Pull requests that update Docker code
+- color: 1900ff
+  name: markdown
+  description: Pull requests that update Markdown documentation
 # Components
 - color: f200f2
   name: analyser