Update git submodules

* Update requirements from branch 'master'
  to 827a86739e66ffb537b5ea7a65a3cc74eb3fabf1
  - Merge "Update eventlet to 0.34.3"
  - Update eventlet to 0.34.3
    
    Several important and urgent fixes are released there.
    
    0.34.3
    ======
    
    eventlet/eventlet#875
    
    * Fix security issue in the wsgi module related to RFC 9112 eventlet/eventlet#826
    * Fix segfault, a new approach for greening existing locks eventlet/eventlet#866
    * greendns: fix getaddrinfo parameter name eventlet/eventlet#809
    * Fix deprecation warning on ssl.PROTOCOL_TLS eventlet/eventlet#872
    * Pytests, fix error at teardown of TestGreenSocket.test_full_duplex eventlet/eventlet#871
    * Skip test which uses Py cgi module eventlet/eventlet#865
    * Drop old code based on python < 3.7.34.2
    ======
    
    eventlet/eventlet#861
    
    * Allowing inheritance of GreenSSLSocket without overriding the __new_ method eventlet/eventlet#796
    * [bug] Fix broken API related to `__version__` removal eventlet/eventlet#859
    * [doc] Fix pypi broken link eventlet/eventlet#857
    
    0.34.1
    ======
    
    eventlet/eventlet#842
    
    * [bug] Fix memory leak in greendns eventlet/eventlet#810
    * [infra] Fix OIDC authentication failure eventlet/eventlet#855
    * [bug] Ignore asyncore and asynchat for Python 3.12+ eventlet/eventlet#804
    
    0.34.0 (Not released on Pypi but landed with 0.34.1)
    ====================================================
    
    * Dropped support for Python 3.6 and earlier.
    * Fix Python 3.13 compat by adding missing attibute '_is_main_interpreter' eventlet/eventlet#847
    * Add support of Python 3.12 eventlet/eventlet#817
    * Drop unmaintained and unused stdlib tests eventlet/eventlet#820
    * Fix tests and CI for Python 3.7 and higher eventlet/eventlet#831 and eventlet/eventlet#832
    * Stop claiming to create universal wheels eventlet/eventlet#841
    * Fix green logging locks for Python versions <= 3.10 eventlet/eventlet#754
    
    Change-Id: Ib2e59a207b86ae90fa391bf1dff7819851dc9c9b