feat: check if build.zig and zbuild.zon are sync'ed in CI

[ensi321]

CI will run zbuild sync to make sure build.zig and zbuild.zon are sync'ed.

Example of failed run https://github.com/ChainSafe/state-transition-z/actions/runs/18160134738/job/51688888127?pr=52

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[github-actions]

Performance Report

✔️ no performance regression detected

Full benchmark results

Benchmark suite	Current: e51e536	Previous: null	Ratio
JS - unshuffleList - 16384 indices	927.61 us/op
Zig - unshuffleList - 16384 indices	611.16 us/op
JS - unshuffleList - 250000 indices	13.960 ms/op
Zig - unshuffleList - 250000 indices	9.0719 ms/op
JS - unshuffleList - 1000000 indices	54.591 ms/op
Zig - unshuffleList - 1000000 indices	35.022 ms/op
JS - computeSyncCommitteeIndices - 16384 indices	358.06 ms/op
Zig - computeSyncCommitteeIndices - 16384 indices	4.0596 ms/op
JS - computeSyncCommitteeIndices - 250000 indices	336.17 ms/op
Zig - computeSyncCommitteeIndices - 250000 indices	17.183 ms/op
JS - computeSyncCommitteeIndices - 1000000 indices	358.52 ms/op
Zig - computeSyncCommitteeIndices - 1000000 indices	31.371 ms/op
get values - 1000	296.00 ns/op
get values - naive - 1000	488.00 ns/op
set values - 1000	301.00 ns/op
set values - naive - 1000	587.00 ns/op
get values - 1000000	881.00 ns/op
get values - naive - 1000000	1.4800 us/op
set values - 1000000	866.00 ns/op
set values - naive - 1000000	2.1060 us/op

by benchmarkbot/action