fix icon

apps_source_code/flipper_geiger/application.fam

@@ -12,6 +12,6 @@ App(
     fap_category="GPIO",
     fap_author="@nmrr",
     fap_weburl="https://github.com/nmrr/flipperzero-geigercounter",
-    fap_version="1.2",
+    fap_version="1.3",
     fap_description="Works with J305 Geiger tube on external board",
 )