fix(ci): add attach-workspace to docker-build

[serpixel]

Description

Adds attach-workspace to the docker-build workflow. This is needed so that op-deployer can correctly embed artifacts.

Tests

Additional context

Metadata

[serpixel]

@janjakubnanista we will want to have this backported to all the op-deployer versions that need to be releasable

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.44%. Comparing base (a0c6213) to head (f17131e).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #18543      +/-   ##
===========================================
- Coverage    75.76%   75.44%   -0.33%     
===========================================
  Files          189      189              
  Lines        11233    11233              
===========================================
- Hits          8511     8475      -36     
- Misses        2576     2614      +38     
+ Partials       146      144       -2     

Flag	Coverage Δ
cannon-go-tests-64	66.58% <ø> (-0.82%)	⬇️
contracts-bedrock-tests	80.40% <ø> (-0.05%)	⬇️

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see 6 files with indirect coverage changes

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