chore(deps): bump proj4 from 2.11.0 to 2.12.1

Bumps [proj4](https://github.com/proj4js/proj4js) from 2.11.0 to 2.12.1.
- [Release notes](https://github.com/proj4js/proj4js/releases)
- [Changelog](https://github.com/proj4js/proj4js/blob/master/changelog.md)
- [Commits](proj4js/proj4js@2.11.0...v2.12.1)

---
updated-dependencies:
- dependency-name: proj4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -26,7 +26,7 @@
     "construct-style-sheets-polyfill": "3.1.0",
     "date-fns": "2.29.3",
     "lit": "3.1.4",
-    "proj4": "2.11.0",
+    "proj4": "2.12.1",
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "react-router-dom": "6.26.2"
@@ -85,7 +85,7 @@
       "construct-style-sheets-polyfill": "3.1.0",
       "date-fns": "2.29.3",
       "lit": "3.1.4",
-      "proj4": "2.11.0",
+      "proj4": "2.12.1",
       "react": "18.3.1",
       "react-dom": "18.3.1",
       "react-router-dom": "6.26.2"