Add service call timeout argument in spawner (backport #1808)

[mergify]

This PR exposes the call_timeout of the spawner to be optionally set by the user

---

This is an automatic backport of pull request #1808 done by Mergify.

[mergify]

Cherry-pick of 41d7393 has failed:

On branch mergify/bp/humble/pr-1808
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Changes to be committed:
	modified:   controller_manager/controller_manager/spawner.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   controller_manager/controller_manager/controller_manager_services.py
	both modified:   controller_manager/doc/userdoc.rst
	both modified:   doc/release_notes.rst

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.19%. Comparing base (d897740) to head (efb323a).
Report is 17 commits behind head on humble.

Additional details and impacted files

@@            Coverage Diff             @@
##           humble    #1886      +/-   ##
==========================================
+ Coverage   62.58%   63.19%   +0.61%     
==========================================
  Files         108      109       +1     
  Lines       12026    12292     +266     
  Branches     8133     8310     +177     
==========================================
+ Hits         7526     7768     +242     
+ Misses        880      820      -60     
- Partials     3620     3704      +84     

Flag	Coverage Δ
unittests	63.19% <100.00%> (+0.61%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
.../controller_manager/controller_manager_services.py	82.03% <100.00%> (+9.61%)	⬆️
controller_manager/controller_manager/spawner.py	69.40% <100.00%> (+0.35%)	⬆️

... and 2 files with indirect coverage changes