[Location Browser] Geocoding search not working

How to reproduce:

Open Location Browser panel
Type in location
Click second/right button

An error has occurred while executing Python code: 

requests.exceptions.JSONDecodeError: Expecting value: line 1 column 1 (char 0) 
Traceback (most recent call last):
  File "C:\OSGeo4W\apps\Python39\lib\site-packages\requests\models.py", line 971, in json
    return complexjson.loads(self.text, **kwargs)
  File "C:\OSGeo4W\apps\Python39\lib\json\__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "C:\OSGeo4W\apps\Python39\lib\json\decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "C:\OSGeo4W\apps\Python39\lib\json\decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\fabian\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\enmapboxplugin\enmapbox\eo4qapps\locationbrowserapp\locationbrowserdockwidget.py", line 133, in onRequestNominatimClicked
    nominatimResults = requests.get(url).json()
  File "C:\OSGeo4W\apps\Python39\lib\site-packages\requests\models.py", line 975, in json
    raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
requests.exceptions.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

Python version: 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)] 
QGIS version: 3.28.10-Firenze Firenze, e2edb9c468

EnMAP-Box / enmap-box

[Location Browser] Geocoding search not working #639