chore: switch to uv (#122)

* remove useless docs/requirements.txt
* test: update python-test.yml to fix CI failure

---------

Co-authored-by: Xianpeng Shen <[email protected]>

Author: 2bndy5

.github/workflows/python-test.yml

@@ -121,7 +121,7 @@ jobs:
         shell: bash
         run: |
           case "${{ matrix.version }}" in
-            15|16|18)
+            15|16|18|20)
               clang-format.exe --version
               clang-tidy.exe --version
               clang-query.exe --version

docs/Makefile

@@ -91,3 +91,8 @@ exclude_lines = [
     'if __name__ == "__main__"',
     "def main",
 ]
+
+[dependency-groups]
+docs = [
+    "sphinx-immaterial>=0.13.5",
+]