Update JS and Poetry dependencies and eslint (#27200)

- Update all JS and Poetry dependencies
- Remove deprecated `eslint-plugin-custom-elements` and replace it with
rules from `eslint-plugin-wc`
- Add a convenience `make update` to update both js and py dependencies
- Tested markdown toolbar, swagger and citation

Makefile

@@ -226,6 +226,7 @@ help:
 	@echo " - test-frontend                    test frontend files"
 	@echo " - test-backend                     test backend files"
 	@echo " - test-e2e[\#TestSpecificName]     test end to end using playwright"
+	@echo " - update                           update js and py dependencies"
 	@echo " - update-js                        update js dependencies"
 	@echo " - update-py                        update py dependencies"
 	@echo " - webpack                          build webpack files"
@@ -924,6 +925,9 @@ node_modules: package-lock.json
 	poetry install
 	@touch .venv
 
+.PHONY: update
+update: update-js update-py
+
 .PHONY: update-js
 update-js: node-check | node_modules
 	npx updates -u -f package.json