Update dependency leaflet to v1.9.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
leaflet (source)	1.9.3 -> 1.9.4

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Release Notes

Leaflet/Leaflet (leaflet)

v1.9.4

Compare Source

🐞 Bug fixes

• Fix tile gaps in Chromium-based browsers (#​8891 by @​IvanSanchez)
• Fix vector drifts when zoomAnimation is false and zooming via flyTo or pinch (#​8794 by @​plainheart)
• Ensure toGeoJSON() still works with an empty array (#​8737 by @​Falke-Design)
• Ensure LineUtil and PolyUtil only iterate over array values and not properties (#​8840 by @​Falke-Design)
• Fix rounding errors in center calculation of LineUtil and PolyUtil for small layers (#​8784 by @​Falke-Design)
• Prevent unwanted layer toggle while expanding the Layers control on mobile (#​8910 by @​Falke-Design)
• Fix an error when a focusing on a Tooltip-bound FeatureGroup that contains a layer without a getElement method (#​8890 by @​Falke-Design)
• Fix Tooltip is not showing when loaded dynamically while moving the map (#​8672 by @​theGOTOguy)
• Fix noMoveStart option not applying to fitBounds (#​8911 by @​AbdullahSohail-SE)
• Fix outlines showing up when interacting with the map on Safari 16.4+ (#​8917 by @​jonkoops)

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Configuration

📅 Schedule: Branch creation - "before 4am on monday" in timezone Europe/London, Automerge - At any time (no schedule defined).

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[coveralls]

coverage: 72.695%. remained the same
when pulling 7fd18fc on renovate/leaflet-1.x
into 4e23898 on master.