fix(deps): update taiki-e/install-action action to v2.86.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending
taiki-e/install-action	action	minor	v2.85.13 → v2.86.3	v2.86.4

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Release Notes

taiki-e/install-action (taiki-e/install-action)

v2.86.3: 2.86.3

Compare Source

• Update prek@latest to 0.4.14.

• Update osv-scanner@latest to 2.5.1.

• Update cargo-llvm-cov@latest to 0.9.0.

v2.86.2: 2.86.2

Compare Source

• Update uv@latest to 0.12.5.

• Update mise@latest to 2026.8.6.

• Update cargo-tarpaulin@latest to 0.37.2.

v2.86.1: 2.86.1

Compare Source

• Fix an issue where oxfmt was　accidentally installed as oxfmt-{target}{exe}. (#​1969)

v2.86.0: 2.86.0

Compare Source

• Support oxfmt. (#​1967, thanks @​rami3l)

v2.85.14: 2.85.14

Compare Source

• Update uv@latest to 0.12.4.

• Update trivy@latest to 0.74.0.

• Update tombi@latest to 1.4.0.

• Update mdbook-mermaid@latest to 0.17.1.

• Update cargo-xwin@latest to 0.23.1.

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