mamba upgrade --all breaks lots of stuff

[spiderwebby]

possibly related to #124
on a fresh windows install, in the radioconda prompt, running mamba upgrade --all results in

Confirm changes: [Y/n]
python_abi                                           7.0kB @  38.2kB/s  0.2s
tzdata                                             123.0kB @ 671.6kB/s  0.2s
...
libstdcxx                                            4.5MB @ 196.2kB/s  1.9s
pyside6                                              8.9MB @ 389.6kB/s  2.4s
gnuradio-leo-data                                    7.8MB @ 331.0kB/s  2.1s
libclang13                                          29.0MB @   1.1MB/s 14.8s

Downloading and Extracting Packages:

Preparing transaction: done
Verifying transaction: done
Executing transaction: |
/
done

(base) C:\Users\spide>0 NEQ 0 EXIT /B 0
'0' is not recognized as an internal or external command,
operable program or batch file.
'""' is not recognized as an internal or external command,
operable program or batch file.
The batch file cannot be found.

breaking gnuradio-companion and gqrx