fix(deps): update tonistiigi/xx docker tag to v1.9.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tonistiigi/xx	stage	minor	1.8.0 -> 1.9.0

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Release Notes

tonistiigi/xx (tonistiigi/xx)

v1.9.0

Compare Source

FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.9.0 AS xx

What's Changed

• xx-go: zig support by @​crazy-max in #​214

Full Changelog: tonistiigi/xx@v1.8.0...v1.9.0

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.61%. Comparing base (4be12f9) to head (2b2b744).
⚠️ Report is 16 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #137      +/-   ##
==========================================
+ Coverage   70.75%   72.61%   +1.86%     
==========================================
  Files           4        4              
  Lines         106       84      -22     
==========================================
- Hits           75       61      -14     
+ Misses         30       22       -8     
  Partials        1        1              

Flag	Coverage Δ
unittests	72.61% <ø> (+1.86%)	⬆️

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