fix(deps): update dependency docling to >=2.81.0,<2.82.0

Signed-off-by: red-hat-konflux-kflux-prd-rh02 <190377777+red-hat-konflux-kflux-prd-rh02[bot]@users.noreply.github.com>

Author: red-hat-konflux-kflux-prd-rh02[bot]

pyproject.toml

@@ -60,7 +60,7 @@ dependencies = [
     "hf-xet>=1.2.0",
     "einops>=0.8.1",
     # For HTML to Markdown conversion in BYOK workflows
-    "docling>=2.68.0,<2.73.0",
+    "docling>=2.81.0,<2.82.0",
     "python-frontmatter>=1.1.0",
     "certifi>=2025.10.5",
 ]