Update dependency Jinja2 to v3.1.6 [SECURITY]

[pulumi-renovate]

This PR contains the following updates:

Package	Update	Change
Jinja2 (changelog)	patch	==3.1.5 -> ==3.1.6

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Warning

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GitHub Vulnerability Alerts

CVE-2025-27516

An oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code.

To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends on the type of application using Jinja. This vulnerability impacts users of applications which execute untrusted templates.

Jinja's sandbox does catch calls to str.format and ensures they don't escape the sandbox. However, it's possible to use the |attr filter to get a reference to a string's plain format method, bypassing the sandbox. After the fix, the |attr filter no longer bypasses the environment's attribute lookup.

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Release Notes

pallets/jinja (Jinja2)

v3.1.6

Compare Source

Released 2025-03-05

• The |attr filter does not bypass the environment's attribute lookup,
  allowing the sandbox to apply its checks. :ghsa:cpwx-vrp4-4pq7

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