Adds a deprecation warning about fuel.ignitionrobotics.org

[nkoenig]

🎉 New feature

Summary

Outputs a deprecation warning about fuel.ignitionrobotics.org when encountered. This will help people transition to fuel.gazebosim.org.

Don't merge this until @nkoenig has updated the models and worlds owned by openrobotics on Fuel, and posted a guide on how others can change their models and worlds.

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #294 (1d35013) into ign-fuel-tools4 (40d8bb7) will increase coverage by 0.55%.
The diff coverage is 92.30%.

❗ Current head 1d35013 differs from pull request most recent head 765bf6c. Consider uploading reports for the commit 765bf6c to get more accurate results

@@                 Coverage Diff                 @@
##           ign-fuel-tools4     #294      +/-   ##
===================================================
+ Coverage            76.21%   76.76%   +0.55%     
===================================================
  Files                   19       19              
  Lines                 2724     2737      +13     
===================================================
+ Hits                  2076     2101      +25     
+ Misses                 648      636      -12     

Impacted Files	Coverage Δ
src/FuelClient.cc	73.58% <92.30%> (+0.82%)	⬆️
src/gz.cc	46.56% <0.00%> (+2.38%)	⬆️

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[azeey]

Models that contain fuel.ignitionrobotics.org are broken as of #293 for people that build from source. Any way we expedite this?

[azeey]

I'm not sure removing this for Gazebo H is a good idea. There might still be worlds/models that use fuel.ignitionrobotics.org on Fuel well past Gazebo H.

[nkoenig]

765bf6c

[azeey]

Looks like most of the changes in this PR were included in #304.

[azeey]

Closing as a duplicate of #304