Async HTTP Client

What's Changed

SemVer Minor

• Add head property to FileDownloadDelegate's Progress/Response struct by @gregcotten in #811
• Add didVisitURL delegate method by @gregcotten in #816
• Add Request/Response History to all public Response types by @gregcotten in #817
• Drop support for Swift 5.9 by @glbrntt in #830
• Add "debug initializer" hook for channels by @clintonpi in #801
• Adopt strict concurrency checking by @glbrntt in #831, #832, #833, #834, #835, #836, #837, #838, #840 and #841

SemVer Patch

• Propagate HTTPClient.Task<Response> failures to subsequent redirect tasks by @gregcotten in #814
• Clean up Task error handling. by @Lukasa in #839
• Enable warnings as errors in CI by @glbrntt in #842

Other Changes

• Rename nightly_6_1 params to nightly_next by @rnro in #820
• Only apply standard swift settings on valid targets by @rnro in #821
• Work around Foundation revert even more by @Lukasa in #822
• Add static SDK CI workflow by @rnro in #823
• Update expired test cert by @gjcairo in #824
• Enable Swift 6.1 jobs in CI by @rnro in #827

New Contributors

• @gregcotten made their first contribution in #811
• @clintonpi made their first contribution in #801

Full Changelog: 1.25.2...1.26.0