🐛 Fix minor director-v0 typing bug

[mrnicegyu11]

What do these changes do?

Casts yarl.URL explicitly to string so that httpx can ingest it.

This fixes the following issue one hits when providing wrong registry credentials to director-v0:

           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/tenacity/asyncio/__init__.py", line 111, in __call__
    do = await self.iter(retry_state=retry_state)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/tenacity/asyncio/__init__.py", line 153, in iter
    result = await action(retry_state)
             ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/tenacity/_utils.py", line 99, in inner
    return call(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/tenacity/__init__.py", line 398, in <lambda>
    self._add_action_func(lambda rs: rs.outcome.result())
                                     ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception
  File "/home/scu/.venv/lib/python3.11/site-packages/tenacity/asyncio/__init__.py", line 114, in __call__
    result = await fn(*args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/simcore_service_director/registry_proxy.py", line 226, in _wait_until_registry_responsive
    await _basic_auth_registry_request(app, path="", method="HEAD", timeout=1.0)
  File "/home/scu/.venv/lib/python3.11/site-packages/simcore_service_director/registry_proxy.py", line 82, in _basic_auth_registry_request
    resp_data, resp_headers = await _auth_registry_request(
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/simcore_service_director/registry_proxy.py", line 159, in _auth_registry_request
    resp_wbasic = await getattr(session, method.lower())(url, auth=auth, **kwargs)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/httpx/_client.py", line 1872, in head
    return await self.request(
           ^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/httpx/_client.py", line 1572, in request
    request = self.build_request(
              ^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/httpx/_client.py", line 346, in build_request
    url = self._merge_url(url)
          ^^^^^^^^^^^^^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/httpx/_client.py", line 376, in _merge_url
    merge_url = URL(url)
                ^^^^^^^^
  File "/home/scu/.venv/lib/python3.11/site-packages/httpx/_urls.py", line 121, in __init__
    raise TypeError(
TypeError: Invalid type for url.  Expected str or httpx.URL, got <class 'yarl.URL'>: URL('https://registry.osparc.local/v2/')

Related issue/s

How to test

Dev-ops checklist

• No ENV changes or I properly updated ENV (read the instruction)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 67.92%. Comparing base (8918afb) to head (60e0357).
Report is 1 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (8918afb) and HEAD (60e0357). Click for more details.

HEAD has 29 uploads less than BASE

Flag	BASE (8918afb)	HEAD (60e0357)
unittests	30	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #7323       +/-   ##
===========================================
- Coverage   87.22%   67.92%   -19.31%     
===========================================
  Files        1705      675     -1030     
  Lines       66246    32668    -33578     
  Branches     1124      168      -956     
===========================================
- Hits        57784    22189    -35595     
- Misses       8142    10421     +2279     
+ Partials      320       58      -262     

Flag	Coverage Δ
integrationtests	65.40% <ø> (+0.06%)	⬆️
unittests	76.59% <0.00%> (-9.80%)	⬇️

Components	Coverage Δ
api	∅ <ø> (∅)
pkg_aws_library	∅ <ø> (∅)
pkg_dask_task_models_library	∅ <ø> (∅)
pkg_models_library	∅ <ø> (∅)
pkg_notifications_library	∅ <ø> (∅)
pkg_postgres_database	∅ <ø> (∅)
pkg_service_integration	∅ <ø> (∅)
pkg_service_library	∅ <ø> (∅)
pkg_settings_library	∅ <ø> (∅)
pkg_simcore_sdk	77.30% <ø> (-8.16%)	⬇️
agent	∅ <ø> (∅)
api_server	∅ <ø> (∅)
autoscaling	∅ <ø> (∅)
catalog	∅ <ø> (∅)
clusters_keeper	∅ <ø> (∅)
dask_sidecar	∅ <ø> (∅)
datcore_adapter	∅ <ø> (∅)
director	76.59% <0.00%> (ø)
director_v2	78.94% <ø> (-12.36%)	⬇️
dynamic_scheduler	∅ <ø> (∅)
dynamic_sidecar	89.10% <ø> (-0.98%)	⬇️
efs_guardian	∅ <ø> (∅)
invitations	∅ <ø> (∅)
osparc_gateway_server	∅ <ø> (∅)
payments	∅ <ø> (∅)
resource_usage_tracker	∅ <ø> (∅)
storage	∅ <ø> (∅)
webclient	∅ <ø> (∅)
webserver	59.30% <ø> (-26.51%)	⬇️

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Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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