Update Dockerfile

Dockerfile

@@ -25,10 +25,10 @@ RUN python3 -m venv /usr/local/searx/searx-pyenv && \
 # Activate virtual environment and install setuptools, wheel, and setuptools_scm, cython
 RUN . /usr/local/searx/searx-pyenv/bin/activate && \
     pip install -U pip setuptools==58.0.4 wheel setuptools_scm cython
-
+RUN pip install --upgrade setuptools
 # Install pyyaml separately
 RUN . /usr/local/searx/searx-pyenv/bin/activate && \
-    pip install pyyaml==5.4.1
+    pip install pyyaml==5.3.1
 
 # Install searx dependencies
 RUN . /usr/local/searx/searx-pyenv/bin/activate && \