Merge pull request #11768 from oursland/mamba-devenv-no-prune

CI: Fix issues affecting conda devenv installation resulting in failures.

conda/conda-env.yaml

@@ -3,6 +3,6 @@ channels:
 - conda-forge
 dependencies:
 - conda-devenv
-- mamba==1.4.9  # NOTE: Pin to highest version supported by the devenv
-- python==3.11  # dependencies. If a higher version is installed, a crash
-                # occurs during the downgrade process.
+- mamba==1.4.9    # NOTE: Pin to highest version supported by the devenv
+- python==3.11.*  # dependencies. If a higher version is installed, a crash
+                  # occurs during the downgrade process.

conda/setup-environment.cmd

@@ -7,4 +7,4 @@ call conda config --add envs_dirs %CD%/.conda
 call conda config --set env_prompt "({name})"
 
 :: install the FreeCAD dependencies into the environment
-call mamba run --live-stream -n freecad mamba-devenv -f conda/environment.devenv.yml
+call mamba run --live-stream -n freecad mamba-devenv --no-prune -f conda/environment.devenv.yml

conda/setup-environment.sh

@@ -9,4 +9,4 @@ conda config --add envs_dirs $(pwd)/.conda
 conda config --set env_prompt "({name})"
 
 # install the FreeCAD dependencies into the environment
-mamba run --live-stream -n freecad mamba-devenv -f conda/environment.devenv.yml
+mamba run --live-stream -n freecad mamba-devenv --no-prune -f conda/environment.devenv.yml