chore: bump version to 4.4.5

Next release: versionCode 444 -> 445, versionName 4.4.4 -> 4.4.5, following the upstream scheme without suffix. Includes the station panel layout fix, 5-decimal coordinates, and credits additions already merged on main.

gradle/libs.versions.toml

@@ -1,8 +1,8 @@
 [versions]
 #noinspection UnusedVersionCatalogEntry
-appVersionCode = "444"
+appVersionCode = "445"
 #noinspection UnusedVersionCatalogEntry
-appVersionName = "4.4.4"
+appVersionName = "4.4.5"
 #noinspection UnusedVersionCatalogEntry
 compileSdk = "37"
 #noinspection UnusedVersionCatalogEntry