Bump restrictedpython from 3.6.0 to 8.1 in /docs

[dependabot]

Bumps restrictedpython from 3.6.0 to 8.1.

Changelog

Sourced from restrictedpython's changelog.

8.1 (2025-10-19)

• Allow to use the package with Python 3.14 including t-string support.

8.0 (2025-01-23)

Backwards incompatible changes ++++++++++++++++++++++++++++++

• Disallow try/except* clauses due to a possible sandbox escape and probable uselessness of this feature in the context of RestrictedPython. In addition, remove ExceptionGroup from safe_builtins (as useful only with try/except*). - This feature was introduced into RestrictedPython in version 6.0 for Python 3.11+. (CVE-2025-22153)

• Drop support for Python 3.8.

Features ++++++++

• Update setuptools version pin. ([#292](https://github.com/zopefoundation/RestrictedPython/issues/292) <https://github.com/zopefoundation/RestrictedPython/issues/292>_)

7.4 (2024-10-09)

• Allow to use the package with Python 3.13.

• Drop support for Python 3.7.

• Provide new function RestrictedPython.Guards.safer_getattr_raise. It is similar to safer_getattr but handles its parameter default like getattr, i.e. it raises AttributeError if the attribute lookup fails and this parameter is not provided, fixes [#287](https://github.com/zopefoundation/RestrictedPython/issues/287) <https://github.com/zopefoundation/RestrictedPython/issues/287>_.

7.3 (2024-09-30)

• Increase the safety level of safer_getattr allowing applications to use it as getattr implementation. Such use should now follow the same policy and give the same level of protection as direct attribute access in an environment based on RestrictedPython's safe_builtints.
• Prevent information leakage via AttributeError.obj and the string module. (CVE-2024-47532)

... (truncated)

Commits

• d301c7f - prepare release 8.1
• 46d8a00 Add Python 3.14 support (#304)
• f208c0c - update to latest zope.meta templates (#302)
• bd936f7 Back to development: 8.1
• 7f22853 Preparing release 8.1a1.dev0
• e2fbd8d Preliminary Python 3.14 support. (#299)
• 97a54fa Configuring for pure-python (#296)
• f7b41a7 Back to development: 8.1
• 67d6d95 Preparing release 8.0
• 48a92c5 Merge commit from fork
• Additional commits viewable in compare view

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