Update dependency httpx to v0.28.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
httpx (changelog)	==0.27.2 -> ==0.28.0

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Release Notes

encode/httpx (httpx)

v0.28.0

Compare Source

The 0.28 release includes a limited set of deprecations.

Deprecations:

We are working towards a simplified SSL configuration API.

For users of the standard verify=True or verify=False cases, or verify=<ssl_context> case this should require no changes. The following cases have been deprecated...

• The verify argument as a string argument is now deprecated and will raise warnings.
• The cert argument is now deprecated and will raise warnings.

Our revised SSL documentation covers how to implement the same behaviour with a more constrained API.

The following changes are also included:

• The deprecated proxies argument has now been removed.
• The deprecated app argument has now been removed.
• JSON request bodies use a compact representation. (#​3363)
• Review URL percent escape sets, based on WHATWG spec. (#​3371, #​3373)
• Ensure certifi and httpcore are only imported if required. (#​3377)
• Treat socks5h as a valid proxy scheme. (#​3178)
• Cleanup Request() method signature in line with client.request() and httpx.request(). (#​3378)

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[github-actions]

Test coverage for d24c47e

coverage-report: install_deps /home/runner/work/k8s-operator/k8s-operator/charms/worker/k8s> python -I -m pip install 'coverage[toml]'
coverage-report: commands[0] /home/runner/work/k8s-operator/k8s-operator/charms/worker/k8s> coverage report
Name                                    Stmts   Miss  Cover
-----------------------------------------------------------
lib/charms/k8s/v0/k8sd_api_manager.py     278     29    90%
src/charm.py                              491    242    51%
src/cloud_integration.py                   80      3    96%
src/config/extra_args.py                   27      1    96%
src/containerd.py                         140     16    89%
src/cos_integration.py                     33     12    64%
src/events/update_status.py                51     10    80%
src/inspector.py                           40      4    90%
src/kube_control.py                        39     31    21%
src/literals.py                             6      0   100%
src/protocols.py                           26      5    81%
src/reschedule.py                          77      4    95%
src/snap.py                               185     26    86%
src/token_distributor.py                  181    109    40%
src/upgrade.py                            105     48    54%
-----------------------------------------------------------
TOTAL                                    1759    540    69%
coverage-report: OK (1.22=setup[1.01]+cmd[0.21] seconds)
congratulations :) (1.27 seconds)

Static code analysis report

Run started:2024-12-04 20:13:03.384698

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 3760
  Total lines skipped (#nosec): 3
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

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