Fixed wrong version pinning.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

tests/gitlab_CI_docker/context/environment_spechomo.yml

@@ -10,7 +10,7 @@ dependencies:
   - matplotlib
   - numpy
   - pandas
-  - pyrsr>0.5.0
+  - pyrsr>=0.5.0
   - scikit-learn=0.23.2  # Classifiers have been trained with this version. Different versions might cause breaking code.
   - specclassify>=0.3.0