deps: Update dependency ruff to >=0.15.11,<0.16

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ruff	feature-lint	patch	>=0.15.10,<0.16 → >=0.15.11,<0.16

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Release Notes

astral-sh/ruff (ruff)

v0.15.11

Compare Source

Released on 2026-04-16.

Preview features

• [ruff] Ignore RUF029 when function is decorated with asynccontextmanager (#​24642)
• [airflow] Implement airflow-xcom-pull-in-template-string (AIR201) (#​23583)
• [flake8-bandit] Fix S103 false positives and negatives in mask analysis (#​24424)

Bug fixes

• [flake8-async] Omit overridden methods for ASYNC109 (#​24648)

Documentation

• [flake8-async] Add override mention to ASYNC109 docs (#​24666)
• Update Neovim config examples to use vim.lsp.config (#​24577)

Contributors

• @​augustelalande
• @​anishgirianish
• @​benberryallwood
• @​charliermarsh
• @​Dev-iL

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