Update snap for 3.0.5

dist/snapcraft.yaml

@@ -26,7 +26,7 @@ description: |
   The code is maintained by the team over at Longturn.net and is based on the QT framework. The game supports both hex and square tiles and is easily modified to create custom rules.
 
 # TODO: At some point, will want to integrate into cmake process and configure_file()
-version: '3.0.4'
+version: '3.0.5'
 grade: stable
 
 license: GPL-3.0-or-later
@@ -50,7 +50,7 @@ parts:
     source: https://github.com/longturn/freeciv21.git
     source-type: git
     # TODO: integrate into cmake process and configure_file()
-    source-commit: 4c161dc8a1cc4b7cbcd505e8be4653bb58a12b66
+    source-commit: 6e5abce10b2f0b86883f2e2479597a8296ecba2f
     cmake-generator: Ninja
     cmake-parameters:
       - "-DCMAKE_INSTALL_PREFIX=/usr"