chore(deps): upgrading to qt6.5 (#198)

* chore(deps): upgrading to qt6.5

This PR proposes to update to PySide6.5.

On Ubuntu, you may face this problem (solution included): https://bugreports.qt.io/browse/PYSIDE-2306

* chore(ci): remove experimental installer

Author: jeertmans

.github/workflows/test_examples.yml

@@ -99,7 +99,6 @@ jobs:
       # Install Manim Slides
     - name: Install Manim Slides
       run: |
-        poetry config experimental.new-installer false
         poetry install --with test
 
     # Render slides

poetry.lock

@@ -54,7 +54,7 @@ manimgl = {version = "^1.6.1", optional = true}
 numpy = "^1.19"
 opencv-python = "^4.6.0.66"
 pydantic = "^1.10.2"
-pyside6 = "^6.4.1"
+pyside6 = "^6.5.1.1"
 python = ">=3.8.1,<3.12"
 python-pptx = "^0.6.21"
 requests = "^2.28.1"