Add Suffix "Plugin" to plugin files to match plugin name

source/RobotAPI/components/ObjectPoseObserver/CMakeLists.txt

...tAPI/components/ObjectPoseObserver/ProvidedObjectPose.cpp

...botAPI/components/ObjectPoseObserver/ProvidedObjectPose.h

...nts/ObjectPoseObserver/plugins/ObjectPoseClientPlugin.cpp

...nents/ObjectPoseObserver/plugins/ObjectPoseClientPlugin.h

...s/ObjectPoseObserver/plugins/ObjectPoseProviderPlugin.cpp

...nts/ObjectPoseObserver/plugins/ObjectPoseProviderPlugin.h