chore(deps): update ghcr.io/jdx/mise:alpine docker digest to a64d8b4

[renovate]

Coming soon: The Renovate bot (GitHub App) will be renamed to Mend. PRs from Renovate will soon appear from 'Mend'. Learn more here.

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/jdx/mise	container	digest	4afa131 -> a64d8b4

---

Configuration

📅 Schedule: Branch creation - "before 4am on friday" in timezone America/Chicago, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Hyperfine Performance

mise x -- echo

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2025.9.19 x -- echo	19.5 ± 0.5	18.9	23.9	1.00
mise x -- echo	19.8 ± 0.5	19.0	23.0	1.02 ± 0.04

mise env

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2025.9.19 env	18.9 ± 0.3	18.2	21.3	1.00
mise env	19.3 ± 0.6	18.4	24.6	1.02 ± 0.04

mise hook-env

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2025.9.19 hook-env	18.6 ± 0.3	18.1	20.0	1.00
mise hook-env	18.6 ± 0.3	18.0	21.3	1.00 ± 0.02

mise ls

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
mise-2025.9.19 ls	16.5 ± 0.5	15.9	21.4	1.00
mise ls	16.6 ± 0.3	16.1	19.2	1.01 ± 0.04

xtasks/test/perf

Command	mise-2025.9.19	mise	Variance
install (cached)	168ms	✅ 103ms	+63%
ls (cached)	64ms	63ms	+1%
bin-paths (cached)	69ms	70ms	-1%
task-ls (cached)	479ms	465ms	+3%

✅ Performance improvement: install cached is 63%