fix(build): missing dep proj4 in services-map-state

Author: boeckMt

projects/services-map-state/package.json

@@ -17,7 +17,8 @@
   "peerDependencies": {
     "@angular/common": "^21.2.14",
     "@angular/core": "^21.2.14",
-    "rxjs": "~7.8.2"
+    "rxjs": "~7.8.2",
+    "proj4": "^2.20.8"
   },
   "dependencies": {
     "@dlr-eoc/services-layers": "16.0.1-next.0",