Try to use icu 75 to enable qt5 and qt6 on osx-64

Author: ericpre

conda_distribution/construct.yaml

@@ -35,6 +35,10 @@ specs:
   - holospy
   - hyperspy >=2.4.0
   - hyperspyui >=2.0.2
+  # try with icu 75 to install both qt5 and qt6
+  # qt5 is still needed for spyder
+  # qt5 is not built with icu 78 yet
+  - icu 75*                                 # [osx-64]
   - ipympl
   - jupyterlab
   - kikuchipy >=0.11.3
@@ -66,7 +70,7 @@ specs:
   - scanning_drift_corr
   # https://github.com/pyxem/pyxem/issues/1174
   - scikit-image <0.26.0
-  - spyder >=6.0
+  - spyder >=6.1
   - start_jupyter_cm
   - xlrd