Release v0.6.1

Ship the fitted NPC gear pass with the post-v0.6.0 realism and UI work.
Bump the version source and documentation to 0.6.1 and move the changelog
entry out of Unreleased. Headless 229/229.

project.godot

@@ -12,7 +12,7 @@ config_version=5
 
 config/name="Gig Line"
 config/description="Workplace security simulation about observation, access verification, and proportionate escalation."
-config/version="0.6.0"
+config/version="0.6.1"
 run/main_scene="res://scenes/main.tscn"
 config/features=PackedStringArray("4.3", "GL Compatibility")