chore(package): update quay.io/kairos/kairos-init docker tag to v0.16.1 (#812)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| quay.io/kairos/kairos-init | stage | minor | `v0.15.2` → `v0.16.1` |

---

### Configuration

📅 **Schedule**: (in timezone America/Los_Angeles)

- Branch creation
  - At any time (no schedule defined)
- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/marinatedconcrete/config).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yNTkuMiIsInVwZGF0ZWRJblZlciI6IjQzLjI1OS4yIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

images/kairos-fedora/Containerfile

@@ -1,6 +1,6 @@
 # See https://kairos.io/docs/reference/kairos-factory/ for more details.
 
-FROM quay.io/kairos/kairos-init:v0.15.2@sha256:05e2ce31f632658e204d42aac86b4b4ff6e90b80e4283af878439f571d007390 AS kairos-init
+FROM quay.io/kairos/kairos-init:v0.16.1@sha256:866e98bf94f8b8b3d955ba55e88dccb2598fab53fbdea45effe91027c3dedf2e AS kairos-init
 
 # Allow build scripts to be referenced without being copied into the final image.
 FROM scratch AS ctx