fix(craic_localization): increase grid resolution to 1cm for 4x4m field

gmapping delta: 0.02 -> 0.01, 5m x 5m map = 500x500 cells

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

ros2/src/craic_localization/config/gmapping.yaml

@@ -1,6 +1,6 @@
 # gmapping(slam_gmapping) 建图参数 —— 为 4×4m 场地优化
 # 帧：base_frame=base_footprint, odom_frame=odom, map_frame=map
-# 地图缩减到 5×5m（场地 4×4m + 各 0.5m 余量），栅格分辨率 2cm
+# 地图缩减到 5×5m（场地 4×4m + 各 0.5m 余量），栅格分辨率 1cm
 /**:
   ros__parameters:
     base_frame: base_footprint
@@ -9,7 +9,7 @@
     map_update_interval: 5.0
     maxUrange: 4.0
     maxRange: 5.0
-    delta: 0.02
+    delta: 0.01
     particles: 50
     linearUpdate: 0.1
     angularUpdate: 0.2