[build] remove setuptools and requests version restrictions

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12.3", "pypy3.9"]
+        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.9"]
 
     steps:
     - uses: actions/checkout@v4
@@ -43,7 +43,7 @@ jobs:
             3.4|3.5)
                 # don't install yt-dlp
                 ;;
-            3.6|3.7)
+            3.6|3.7|3.8)
                 # install from PyPI
                 pip install yt-dlp
                 ;;