[ROS 2][grid_map_core] Speed up submap iterator c8b1057 #16

	name: Industrial CI

	# Use industrial CI to ensure our packages express all dependencies.
	# Attempts to find issues like #490 before merge.
	# https://github.com/ros-industrial/industrial_ci?tab=readme-ov-file#for-github-actions

	on:
	push:
	branches:
	- 'rolling'
	- 'jazzy'
	- 'iron'
	- 'humble'
	pull_request:
	branches:
	- '*'

	jobs:
	industrial_ci:
	strategy:
	matrix:
	env:
	- {ROS_DISTRO: rolling, ROS_REPO: testing}
	- {ROS_DISTRO: rolling, ROS_REPO: main}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	# nav2 on rolling is not available with binaries
	- name: Set UPSTREAM_WORKSPACE to bring in nav2 as a source dependency
	if: ${{ matrix.env.ROS_DISTRO == 'rolling' }}
	run: echo "UPSTREAM_WORKSPACE=https://raw.githubusercontent.com/ANYbotics/grid_map/rolling/tools/ros2_dependencies.repos" >> $GITHUB_ENV
	# We duplicate NAV2's key skipping because I doubt they intend this bespoke file to be used by other CI jobs:
	# https://github.com/ros-navigation/navigation2/blob/main/tools/skip_keys.txt
	# It also is out of date, so grid_map is just going to skip keys we are sure don't work.
	- name: set ROSDEP_SKIP_KEYS to skip nav2 keys
	if: ${{ matrix.env.ROS_DISTRO == 'rolling' }}
	run: echo "ROSDEP_SKIP_KEYS=slam_toolbox" >> $GITHUB_ENV
	- uses: 'ros-industrial/industrial_ci@master'
	env: ${{matrix.env}}

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