Bump version to 0.2.2 for the session-shell release

config/version, README latest-release note, TODO/MEMORY status refreshed for the
v0.2.2 tag. Headless suite 88/88.

project.godot

@@ -8,7 +8,7 @@ config_version=5
 
 config/name="Step Line"
 config/description="Workplace security simulation about observation, access verification, and proportionate escalation."
-config/version="0.2.1"
+config/version="0.2.2"
 run/main_scene="res://scenes/main.tscn"
 config/features=PackedStringArray("4.3", "GL Compatibility")