nav2: decrease inflation radius to allow driving through narrow lava pipe

Author: rayferric

kalman_nav2/config/nav2.costmap.yaml.j2

@@ -195,7 +195,7 @@ inflation_layer:
   enable: true # default: true
 
   # Radius to inflate costmap around lethal obstacles.
-  inflation_radius: 1.2 # default: 0.55
+  inflation_radius: 0.7 # default: 0.55
   # Exponential decay factor across inflation radius.
   cost_scaling_factor: 5.0 # default: 10.0