fix: Depenency pinning, remove sys deps

Author: AlejandroFernandezLuces

.github/workflows/ci_cd.yml

@@ -71,8 +71,6 @@ jobs:
     runs-on: ubuntu-latest
     needs: [docs-style]
     steps:
-    - name: Install system dependencies
-      run: sudo apt install -qq libglu1-mesa-dev libx11-xcb-dev '^libxcb*'
     - name: Setup headless display
       uses: pyvista/setup-headless-display-action@v2
 
@@ -107,8 +105,6 @@ jobs:
     needs: [ smoke-tests ]
     runs-on: ubuntu-latest
     steps:
-      - name: Install system dependencies
-        run: sudo apt install libegl1 libxcb-cursor0 libsm6 libxext6 libxcb-xinerama0 -y
       - name: Restore images cache
         uses: actions/cache@v4
         with:

pyproject.toml

@@ -40,7 +40,7 @@ tests = [
     "pytest-cov==6.0.0",
     "pyside6==6.7.3",
     "pyvistaqt==0.11.1,<1",
-    "pytest-qt"
+    "pytest-qt==4.4.0"
 ]
 
 doc = [
@@ -49,8 +49,6 @@ doc = [
     "jupytext==1.16.4",
     "nbsphinx==0.9.5",
     "numpydoc==1.8.0",
-    "pyside6==6.7.3",
-    "pyvistaqt==0.11.1,<1",
     "sphinx==8.1.3",
     "sphinx-autoapi==3.3.3",
     "sphinx-copybutton==0.5.2",