Merge main do version/v2.2.0

Konflikt jen v amcr_viewer/metadata.txt: ponechána version=2.2.0, do changelogu doplněny položky v2.1.4 a v2.1.3 z main.

README.md

@@ -333,9 +333,7 @@ amcr_viewer/            the plugin package (this is what gets zipped)
   codelists/heslar.csv  cached controlled vocabularies
   i18n/                 Qt translation files
   *.png                 toolbar and menu icons
-  resources.py          generated by pyrcc, currently unused
   metadata.txt          plugin metadata and changelog
-  .flake8               lint config, read by the plugins.qgis.org scanner
 tests/
   check_sources.py      source hygiene checks (no QGIS needed)
   smoke_test.py         loads the plugin in a real, headless QGIS
@@ -404,7 +402,7 @@ Reproducing them locally:
 ```bash
 python3 tests/check_sources.py
 ruff check .
-flake8 --config amcr_viewer/.flake8 amcr_viewer/
+flake8 --isolated amcr_viewer/
 bandit -r amcr_viewer/
 docker run --rm -v "$PWD:/work:ro" -w /work --user "$(id -u):$(id -g)" \
   -e HOME=/tmp qgis/qgis:stable python3 tests/smoke_test.py