JenkinsHook fix connection intake on https

[vchiapaikeo]

closes: #28465

Testing

Add two Jenkins connections -

One with https:

And the other without:

Test out connections in local python repl:

root@a0a6c7b4e782:/opt/airflow# python
Python 3.9.16 (main, Mar  1 2023, 15:47:56)
[GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from airflow.secrets .metastore import MetastoreBackend
>>> backend = MetastoreBackend()
>>> conn = backend.get_connection(conn_id="jenkins1")
/opt/airflow/airflow/models/dagrun.py:131 RemovedIn20Warning: [31mDeprecated API features detected! These feature(s) are not compatible with SQLAlchemy 2.0. [32mTo prevent incompatible upgrades prior to updating applications, ensure requirements files are pinned to "sqlalchemy<2.0". [36mSet environment variable SQLALCHEMY_WARN_20=1 to show all deprecation warnings.  Set environment variable SQLALCHEMY_SILENCE_UBER_WARNING=1 to silence this message.[0m (Background on SQLAlchemy 2.0 at: https://sqlalche.me/e/b8d9)
>>>
>>> conn.extra_dejson.get("use_https")
True
>>> conn.__dict__
{'_sa_instance_state': <sqlalchemy.orm.state.InstanceState object at 0x7f28d3c2e700>, 'id': 229, 'conn_type': 'jenkins', 'description': '', 'schema': '', 'port': 8080, 'is_extra_encrypted': True, '_extra': 'gAAAAABkHvrPg-cFw74KBDHi2TAh-BYZMCd2P3UgYdNLAdFm6o3Q3YGqnPVo4ikNAssuppjYsRTiicZcDSUFp2s3Mq3iD_eI3iP7oXCQeV7y3usnT53hhPw=', '_password': 'gAAAAABkHvrPtfwUF2cdzJW-W6TLlcA6UB9_0ZAlPS1HlQHsHjLTuZJ8oWzblVTYS8hF0h-PH6TepyFwFKRrnfyPPZNls_IjHw==', 'conn_id': 'jenkins1', 'host': 'jenkins.example.com', 'login': 'jenkins', 'is_encrypted': True}
>>>
>>> conn = backend.get_connection(conn_id="jenkins2")
>>> conn.extra_dejson.get("use_https")
False
>>> conn.__dict__
{'_sa_instance_state': <sqlalchemy.orm.state.InstanceState object at 0x7f28d3c2ea00>, 'id': 230, 'conn_type': 'jenkins', 'description': '', 'schema': '', 'port': 8080, 'is_extra_encrypted': True, '_extra': 'gAAAAABkHv3AQ9jh_6jZtvetDHK90UMLTgD8MZr0rwlGe4ETqVVDeyxFh5-8E1ujEhMi2v3WaaemkgU1D9v1DKrSOMPfZDiVgMzyg3HQ-c7pCb7iRuy3M-c=', '_password': 'gAAAAABkHv3AjJOpmi_80LPLEWTbEPShkA7zv7IdjKaBDjDcafdmMUrzJsRj7wO_OBtcRJC1k2o-ByGg2k69RKsv3Bn2vlluiQ==', 'conn_id': 'jenkins2', 'host': 'jenkins.example.com', 'login': 'jenkins', 'is_encrypted': True}

---

^ Add meaningful description above

Read the Pull Request Guidelines for more information.
In case of fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
In case of a new dependency, check compliance with the ASF 3rd Party License Policy.
In case of backwards incompatible changes please leave a note in a newsfragment file, named {pr_number}.significant.rst or {issue_number}.significant.rst, in newsfragments.