Use shallow submodules to prevent auto-update. (open-edge-platform#2206)

Author: jouillet

.gitmodules

@@ -4,24 +4,31 @@
 [submodule "robotics-ai-suite/components/collaborative-slam/3rd/g2o"]
 	path = robotics-ai-suite/components/collaborative-slam/3rd/g2o
 	url = https://github.com/ros2-gbp/libg2o-release.git
+	shallow = true
 [submodule "robotics-ai-suite/components/collaborative-slam/3rd/DBoW2"]
 	path = robotics-ai-suite/components/collaborative-slam/3rd/DBoW2
 	url = https://github.com/shinsumicco/DBoW2.git
+	shallow = true
 [submodule "robotics-ai-suite/components/collaborative-slam/3rd/spdlog"]
 	path = robotics-ai-suite/components/collaborative-slam/3rd/spdlog
 	url = https://github.com/gabime/spdlog.git
+	shallow = true
 [submodule "robotics-ai-suite/components/collaborative-slam/3rd/json"]
 	path = robotics-ai-suite/components/collaborative-slam/3rd/json
 	url = https://github.com/nlohmann/json.git
+	shallow = true
 [submodule "robotics-ai-suite/components/its-planner/3rd_party/navigation2"]
 	path = robotics-ai-suite/components/its-planner/3rd_party/navigation2
 	url = https://github.com/ros-navigation/navigation2
+	shallow = true
 [submodule "robotics-ai-suite/pipelines/act-sample/act"]
 	path = robotics-ai-suite/pipelines/act-sample/act
 	url = https://github.com/tonyzhaozh/act
+	shallow = true
 [submodule "robotics-ai-suite/pipelines/orb-slam3-sample/ORB_SLAM3"]
 	path = robotics-ai-suite/pipelines/orb-slam3-sample/ORB_SLAM3
 	url = https://github.com/UZ-SLAMLab/ORB_SLAM3.git
+	shallow = true
 [submodule "retail-ai-suite/order-accuracy"]
 	path = retail-ai-suite/order-accuracy
 	url = https://github.com/intel-retail/order-accuracy