CI/CD: upgrade release workflow

[Guts]

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[codecov-commenter]

Codecov Report

Merging #236 (f2571e4) into master (a90a2cc) will decrease coverage by 18.33%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #236       +/-   ##
==========================================
- Coverage   19.12%   0.78%   -18.34%     
==========================================
  Files          42      42               
  Lines        3708    3677       -31     
  Branches      610     607        -3     
==========================================
- Hits          709      29      -680     
- Misses       2947    3647      +700     
+ Partials       52       1       -51     

Impacted Files	Coverage Δ
...pplication_schema_toolbox/gui/xml_custom_widget.py	0.00% <0.00%> (ø)
gml_application_schema_toolbox/viewers/__init__.py	0.00% <0.00%> (-100.00%)	⬇️
...ml_application_schema_toolbox/toolbelt/__init__.py	0.00% <0.00%> (-100.00%)	⬇️
...l_application_schema_toolbox/gui/custom_viewers.py	0.00% <0.00%> (-90.00%)	⬇️
...lication_schema_toolbox/core/load_gmlas_in_qgis.py	0.00% <0.00%> (-81.72%)	⬇️
gml_application_schema_toolbox/core/gmlas_xpath.py	0.00% <0.00%> (-79.32%)	⬇️
...lication_schema_toolbox/gui/wait_cursor_context.py	0.00% <0.00%> (-71.43%)	⬇️
gml_application_schema_toolbox/core/xml_utils.py	0.00% <0.00%> (-68.86%)	⬇️
..._application_schema_toolbox/core/qgis_urlopener.py	0.00% <0.00%> (-52.64%)	⬇️
...application_schema_toolbox/core/load_gml_as_xml.py	0.00% <0.00%> (-50.30%)	⬇️
... and 15 more