Bump ollama from 0.4.7 to 0.4.8

Bumps [ollama](https://github.com/ollama/ollama-python) from 0.4.7 to 0.4.8.
- [Release notes](https://github.com/ollama/ollama-python/releases)
- [Commits](ollama/ollama-python@v0.4.7...v0.4.8)

---
updated-dependencies:
- dependency-name: ollama
  dependency-version: 0.4.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -18,7 +18,7 @@ llama_cpp_python = "==0.3.5"
 cryptography = "==44.0.2"
 sqlalchemy = "==2.0.40"
 aiosqlite = "==0.21.0"
-ollama = "==0.4.7"
+ollama = "==0.4.8"
 pydantic-settings = "==2.8.1"
 numpy = "1.26.4"
 tree-sitter = "==0.24.0"