Add tileSize field for raster and raster-dem tile sources (#946) (#947)

## Launch Checklist

Add `tileSize` field for raster and raster-dem tile sources. Solves #946


![Untitled](https://github.com/user-attachments/assets/833bf41b-0439-47f3-b9ff-5f289f437725)

### Not in this PR

i18n for `Tile Size`

 - [x] Briefly describe the changes in this PR.
 - [x] Link to related issues.
- [x] Include before/after visuals or gifs if this PR includes visual
changes.
 - [x] Write tests for all new functionality.
 - [x] Add an entry to `CHANGELOG.md` under the `## main` section.

---------

Co-authored-by: Harel M <harel.mazor@gmail.com>
Co-authored-by: Keitaroh Kobayashi <keita@kbys.me>
Co-authored-by: Hugues Tavernier <hugues.tavernier@protonmail.com>
Co-authored-by: Joscha <34318751+josxha@users.noreply.github.com>

src/locales/he/translation.json

@@ -162,6 +162,7 @@
   "Add a new source to your style. You can only choose the source type and id at creation time!": "הוספת מקור לסטייל, ביכולתכם לעשות זאת רק בזמן מסויים",
   "TileJSON URL": "כתובת TileJSON",
   "Tile URL": "כתובת אריחים",
+  "Scheme Type": "סוג סכמה",
   "Coord top left": "מיקום שמאלי עליון",
   "Coord top right": "מיקום ימני עליון",
   "Coord bottom right": "מיקום ימני תחתון",
@@ -171,6 +172,7 @@
   "GeoJSON URL": "כתובת GeoJSON",
   "GeoJSON": "GeoJSON",
   "Cluster": "קיבוץ",
+  "Tile Size": "גודל אריח",
   "Encoding": "קידוד",
   "Error:": "שגיאה",
   "MapTiler Access Token": "MapTiler Access Token",