Bump antora from 3.1.5 to 3.1.6

[dependabot]

Bumps antora from 3.1.5 to 3.1.6.

Changelog

Sourced from antora's changelog.

== 3.1.6 (2023-12-19)

=== Added

• playbook-builder: Add git.read_concurrency playbook key to control how many git indexes to load into memory at once (#1096)

=== Changed

• playbook-builder: Change default value of git.fetch_concurrency to 1 (#1096)
• content-aggregator: Don't read git tree twice if start path is empty; add dirname to tree object in same function
• content-aggregator: Fill in progress bar with incomplete marks if cloning a repository fails
• content-aggregator: Mention that credentials may have been rejected if server requests them, then sends 404 response
• content-aggregator: Flag git clone/fetch error as recoverable if an unexpected network error occurs (#1096)
• content-aggregator: Decouple step to load (fetch or clone) repositories from step to scan repositories to discover references and start paths and collect files (#1096)

=== Fixed

• logger: Add hostname to ignore list to prevent hostname property on logged error from modifying logger name (#1070)
• content-aggregator: Retry failed fetch/clone operations in serial if git.fetch_concurrency > 1 and an unexpected error occurs (#1096)

Commits

• 14a6725 release 3.1.6
• fd16b9c update CHANGELOG and what's new page for upcoming 3.1.6 release
• e4abd1d backport fix for #1070 add hostname to ignore list on pino-pretty settings to...
• 13c0796 a provision of #1096 select all start paths before collecting files so start ...
• f8a1191 a provision of #1096 retry failed fetch/clone operations in serial if git.fet...
• ceb40b0 a provision of #1096 add git.read_concurrency playbook key to control how man...
• 09219b3 resolves #1096 decouple step to load repositories when collecting files
• d1ee749 a provision of #1096 flag unknown git errors a recoverable to retry without c...
• 1ad2196 replace trimRight with trimEnd
• 2da2f16 extract identifyAuthStatus function
• Additional commits viewable in compare view

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