Remove vtk8 variants and updates Python variants (#375)

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 ## vx.x.x
+- Removed VTK 8 variants from conda recipe.
+- Change Python variants: removed 3.6 and 3.7, added 3.11 and 3.12.
 - Bugfix on resample reader #359. Standalone viewer app defaults to downsample in all dimensions.
 - Fix bug with setInputAsNumpy() using deprecated `numpy2vtkImporter` in `CILViewer2D` - now uses `numpy2vtkImage`
 - Removed the `paskino` channel from the install command as eqt is on `conda-forge`

Wrappers/Python/conda-recipe/conda_build_config.yaml

@@ -1,16 +1,6 @@
 python:
-  - 3.6
-  - 3.7
   - 3.8
   - 3.9
   - 3.10 
-vtk:
-  - 8.1.2
-  - 8.1.2
-  - 9.*
-  - 9.*
-  - 9.*
-
-zip_keys:
-  - python
-  - vtk
+  - 3.11
+  - 3.12

Wrappers/Python/conda-recipe/meta.yaml

@@ -28,12 +28,12 @@ test:
 requirements:
   build:
     - python {{ python }}
-    - vtk {{ vtk }}
+    - vtk
 
   run:
     - python {{ python }}
     - numpy
-    - vtk {{ vtk }}
+    - vtk
     - pyside2
     - eqt=0.7.1
     - importlib_metadata    # [py<38]