fix(deps): Lock setuptools version to <81 (#5284)

- Update Dockerfile to specify "setuptools<81"
- Modify ModuleUpdate.py to install setuptools with version constraint

Dockerfile

@@ -28,7 +28,7 @@ COPY requirements.txt WebHostLib/requirements.txt
 
 RUN pip install --no-cache-dir -r \
     WebHostLib/requirements.txt \
-    setuptools
+    "setuptools<81"
 
 COPY _speedups.pyx .
 COPY intset.h .

ModuleUpdate.py

@@ -78,7 +78,7 @@ def install_pkg_resources(yes=False):
         check_pip()
         if not yes:
             confirm("pkg_resources not found, press enter to install it")
-        subprocess.call([sys.executable, "-m", "pip", "install", "--upgrade", "setuptools"])
+        subprocess.call([sys.executable, "-m", "pip", "install", "--upgrade", "setuptools<81"])
 
 
 def update(yes: bool = False, force: bool = False) -> None: