fix(ci): 🔧 fix trigger paths in test workflow

* Changed paths in the GitHub Actions workflow to use glob patterns.
* This ensures that changes in any subdirectory of `src/` and `tests/` trigger the workflow.

Author: okineadev

.github/workflows/test.yml

@@ -4,13 +4,13 @@ on:
   # https://blog.esciencecenter.nl/reduce-reuse-recycle-save-the-planet-one-github-action-at-a-time-4ab602255c3f
   push:
     paths:
-      - src/
-      - tests/
+      - 'src/**'
+      - 'tests/**'
 
   pull_request:
     paths:
-      - src/
-      - tests/
+      - 'src/**'
+      - 'tests/**'
 
   workflow_dispatch: