nibble v0.7.0 (M7: Q5_0/Q5_1 and k-quants)

What's Changed

• feat: M7 k-quant support, tooling, docs and CI/CD by @dpologdvinity in #1
• docs(readme): add badges by @dpologdvinity in #7
• perf(bench): k-quant benchmark results by @dpologdvinity in #8
• perf(cpu): prefill tiles for q5_0 and k-quants by @dpologdvinity in #9
• ci: bump docker/login-action from 3.7.0 to 4.6.0 by @dependabot[bot] in #2
• ci: bump actions/cache/restore from 4.3.0 to 6.1.0 by @dependabot[bot] in #3
• ci: bump actions/download-artifact from 4.3.0 to 8.0.2 by @dependabot[bot] in #4
• ci: bump actions/setup-python from 5.6.0 to 7.1.0 by @dependabot[bot] in #5
• ci: bump docker/build-push-action from 6.19.2 to 7.4.0 by @dependabot[bot] in #6
• ci: give each non-PR commit its own concurrency group by @dpologdvinity in #10

New Contributors

• @dpologdvinity made their first contribution in #1
• @dependabot[bot] made their first contribution in #2

Full Changelog: https://github.com/dpologdvinity/nibble/commits/v0.7.0