chore(deps): bump python from 3.11-slim to 3.14-slim in /docker/dev

[dependabot]

Bumps python from 3.11-slim to 3.14-slim.

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[vibeforge1111]

Spark Compete reset status: Gate review still pending.

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[vibeforge1111]

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[vibeforge1111]

Reviewed through the security/Docker smoke lane. Required CI checks passed, but the optional Docker workbench failed at build time after this update: python:3.14-slim provides Python 3.14.5, while spark-cli currently declares
equires-python = >=3.11,<3.14. This makes the dev image unable to install Spark CLI. Closing this for now; we should only revisit a Python 3.14 image after the package and test suite officially support Python 3.14.

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.