fix(libwww-perl): CVE-2026-8368

[hudeng-go]

Strip Authorization and Proxy-Authorization headers on cross-origin redirects to prevent credential leakage. Also refuse https->http downgrade redirects by default.

Upstream: libwww-perl/libwww-perl@9c4aeb6
Upstream: libwww-perl/libwww-perl@792a5dc
Generated-By: deepseek-v4-flash

[github-actions]

TAG Bot

TAG: 6.58-1deepin1
EXISTED: no
DISTRIBUTION: unstable

[hudeng-go]

/integrate

[github-actions]

AutoIntegrationPr Bot
auto integrate with pr url: deepin-community/Repository-Integration#4130
PrNumber: 4130
PrBranch: auto-integration-26992978233

[deepin-ci-robot]

@hudeng-go: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
hold-version-check	a0bf714	link	true	/test hold-version-check

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[deepin-ci-robot]

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