chore(deps): update rust crate minijinja to v2.18.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
minijinja	dependencies	minor	2.17.1 → 2.18.0

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Release Notes

mitsuhiko/minijinja (minijinja)

v2.18.0

Compare Source

• Added keyword argument support (width, first, blank) to the indent filter for Jinja2 compatibility in Rust and Go. #​864
• Added support for dotted integer lookup (for example foo.0) in Rust and Go for Jinja compatibility. #​881
• Added support for dotted filter and test names (including foo . bar . baz) for Jinja compatibility. #​879
• Fixed string escape handling to preserve unknown escapes (such as \s) for Jinja compatibility in Rust and Go. #​880
• Improved generic performance across template parsing, compilation, and rendering.
• Fixed minijinja-cabi ownership and pointer-safety issues that could leak mj_value
  values on error paths.
• Added high-priority minijinja-cabi APIs for callback-based functions/filters/tests,
  globals, loaders, path joining, auto-escape configuration, and fuel limits.
• Switched minijinja-cabi header maintenance to manual source-based syncing and
  removed cbindgen-based generation tooling.
• Added lightweight C smoke tests for minijinja-cabi (via make -C minijinja-cabi test)
  with coverage across all exported C ABI functions, and wired them into top-level
  testing and CI.
• Added render_captured and render_captured_to methods on Template which
  return a Captured type holding the rendered output and the template state.
• Added into_output method on Captured to consume and return the output string.
• Deprecated render_and_return_state, eval_to_state, and render_to_write
  in favor of the new render_captured / render_captured_to / Captured API.

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