Update Rust crate ructe to 0.18.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ructe	dependencies	minor	0.17.0 → 0.18.0

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Release Notes

kaj/ructe (ructe)

v0.18.2

Compare Source

• Updated nom to 8.0.0, and added nom-language.
• Removed itertools depenendency (PR #​147).
• Updated my email address in author field.
• MSRV is now 1.65.0, as required by nom 8.0.

v0.18.0

Compare Source

• Fixed clippy lints in generated code (PR #​143). Thanks @​vbrandl!
• Added a clearer "Getting started" section in the docs (PR #​145).
  Thanks @​j-n-f for the suggestion.
• Fixed some clippy lints in ructe itself.
• Updated itertools depenendency to 0.14.0.
• Updated optional rsass dependency to 0.29.0.
• Removed historic mime02 feature and iron and nickel examples.
• Updated axum in example to 0.8.1.
• MSRV is now 1.63.0.

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