chore(release): prepare 0.6.7

[clabby]

Summary

• bump the workspace release version from 0.6.6 to 0.6.7
• update internal workspace dependency requirements and generated lockfile package versions

Testing

• cargo check
• just check-fmt
• cargo test -p tact --test release_pipeline

Stack

Depends on #190.

[codspeed-hq]

Merging this PR will not alter performance

✅ 18 untouched benchmarks
⏩ 31 skipped benchmarks¹

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_{Comparing cl/release-0.6.7 (fb706ab) with cl/agent-view-clean (2ae97ac)}

Footnotes

1. 31 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩