Update dependencies (#745)

* Update dependencies and platform

Author: danniel

.github/workflows/backend_check.yml

@@ -37,7 +37,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
         with:
           working-directory: ./backend
-          python-version: "3.13"
+          python-version: "3.14"
           cache-dependency-glob: |
             **/pyproject.toml
             **/uv.lock
@@ -70,7 +70,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
         with:
           working-directory: ./backend
-          python-version: "3.13"
+          python-version: "3.14"
           cache-dependency-glob: |
             **/pyproject.toml
             **/uv.lock