[WRT] Decrease numpy to 1.22.* to match GN 3.3.3 requirements

[EHJ-52n]

geonode 3.3.3 requires numpy==1.22.*, but you have numpy 1.23.4 which is incompatible.
[...]
weatherroutingtool 0.1 requires numpy==1.23.4, but you have numpy 1.22.4 which is incompatible.

[averagestud]

I have created a pull request. Kindly see if it is correct.
https://github.com/52North/MariGeoRoute/pull/23