chore(deps): update ollama to v0.19.0 (#5286)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [ollama/ollama](https://github.com/ollama/ollama) | minor | `0.18.3` → `0.19.0` |
| ollama/ollama | minor | `0.18.3` → `0.19.0` |

---

### Release Notes

<details>
<summary>ollama/ollama (ollama/ollama)</summary>

### [`v0.19.0`](https://github.com/ollama/ollama/releases/tag/v0.19.0)

[Compare Source](https://github.com/ollama/ollama/compare/v0.18.3...v0.19.0)

#### What's Changed

- Ollama's app will now no longer incorrectly show "model is out of date"
- `ollama launch pi` now includes web search plugin that uses Ollama's web search
- Improved KV cache hit rate when using the Anthropic-compatible API
- Fixed tool call parsing issue with Qwen3.5 where tool calls would be output in thinking
- MLX runner will now create periodic snapshots during prompt processing
- Fixed KV cache snapshot memory leak in MLX runner
- Fixed issue where flash attention would be incorrectly enabled for `grok` models
- Fixed `qwen3-next:80b` not loading in Ollama

#### New Contributors

- [@&#8203;amatas](https://github.com/amatas) made their first contribution in [#&#8203;15022](https://github.com/ollama/ollama/pull/15022)

**Full Changelog**: <https://github.com/ollama/ollama/compare/v0.18.3...v0.19.0>

</details>

---

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---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My45OS4xIiwidXBkYXRlZEluVmVyIjoiNDMuOTkuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZG9ja2VyIl19-->

Reviewed-on: #5286
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/ollama/Chart.yaml

@@ -31,4 +31,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/ollama.png
 # renovate: datasource=github-releases depName=ollama/ollama
-appVersion: 0.18.3
+appVersion: 0.19.0

clusters/cl01tl/helm/ollama/values.yaml

@@ -22,7 +22,7 @@ ollama:
         main:
           image:
             repository: ollama/ollama
-            tag: 0.18.3
+            tag: 0.19.0
             pullPolicy: IfNotPresent
           env:
             - name: OLLAMA_KEEP_ALIVE
@@ -58,7 +58,7 @@ ollama:
         main:
           image:
             repository: ollama/ollama
-            tag: 0.18.3
+            tag: 0.19.0
             pullPolicy: IfNotPresent
           env:
             - name: OLLAMA_KEEP_ALIVE
@@ -94,7 +94,7 @@ ollama:
         main:
           image:
             repository: ollama/ollama
-            tag: 0.18.3
+            tag: 0.19.0
             pullPolicy: IfNotPresent
           env:
             - name: OLLAMA_KEEP_ALIVE