Enables workflow dispatch for clang and scan_builds.

[francocipollone]

🎉 New feature

Closes #

Summary

what the title says

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 it affects the public API)

[francocipollone]

Ci failing due to maliput/maliput_object_py#10

[francocipollone]

Now clang CI failing in testing:

- maliput.RouteLaneSRelationTest EvaluateComputeLaneSRangeRelationSameLaneSRanges
  <<< failure message
    /__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/src/maliput/test/routing/route_test.cc:691
    Expected equality of these values:
      LaneSRangeRelation::kSucceedingLeft
        Which is: kSucceedingLeft
      dut.ComputeLaneSRangeRelation(kLaneSRangeD, kLaneSRangeE)
        Which is: kSucceedingRight
    /__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/src/maliput/test/routing/route_test.cc:693
    Expected equality of these values:
      LaneSRangeRelation::kSucceedingLeft
        Which is: kSucceedingLeft
      dut.ComputeLaneSRangeRelation(kLaneSRangeD, kLaneSRangeF)
        Which is: kSucceedingRight
    /__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/src/maliput/test/routing/route_test.cc:716
    Expected equality of these values:
      LaneSRangeRelation::kPreceedingLeft
        Which is: kPreceedingLeft
      dut.ComputeLaneSRangeRelation(kLaneSRangeI, kLaneSRangeE)
        Which is: kPreceedingRight
  >>>

let's see how maliput/maliput#596 goes

[francocipollone]

✔️ scan build CI is passing

❎ Failing clang CI

It seems that delphyne_demos tests are failing due to "RuntimeError: Registering frame with an id that has already been registered: 1"
🙃

    Traceback (most recent call last):
      File "/__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/install/delphyne_demos/bin/delphyne_mali", line 36, in <module>
        delphyne_demos.demos.mali.main()
      File "/__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/install/delphyne_demos/lib/python3.8/site-packages/delphyne_demos/demos/mali.py", line 398, in main
        simulation_tree.setup(
      File "/__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/install/delphyne/lib/python3.8/site-packages/delphyne/trees.py", line 66, in setup
        super().setup(builder=builder, **kwargs)
      File "/opt/ros/foxy/lib/python3.8/site-packages/py_trees/trees.py", line 324, in setup
        setup(
      File "/opt/ros/foxy/lib/python3.8/site-packages/py_trees/trees.py", line 106, in setup
        visited_setup()
      File "/opt/ros/foxy/lib/python3.8/site-packages/py_trees/trees.py", line 97, in visited_setup
        node.setup(**kwargs)
      File "/__w/maliput_infrastructure/maliput_infrastructure/maliput_ws/install/delphyne/lib/python3.8/site-packages/delphyne/behaviours/agents.py", line 153, in setup
        builder.add_agent(
    RuntimeError: Registering frame with an id that has already been registered: 1

[francocipollone]

maliput/delphyne_demos#60

[francocipollone]

CI is passing due to maliput/delphyne#861 shares same branch name