numpy: Fix build

Upgrade Python to 3.11, as it's the minimum requirement for numpy.

Fixes: https://issues.oss-fuzz.com/issues/382554731

projects/numpy/Dockerfile

@@ -15,6 +15,16 @@
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 FROM gcr.io/oss-fuzz-base/base-builder-python
+# Numpy requires python3.11+
+RUN apt-get update && \
+    apt-get install -y software-properties-common && \
+    add-apt-repository ppa:deadsnakes/ppa && \
+    apt-get install -y python3.11 python3.11-dev && \
+    update-alternatives --install /usr/local/bin/python3 python $(which python3.11) 5
+# Install Python dependencies for python 3.11
+RUN curl -LO https://bootstrap.pypa.io/get-pip.py && \
+    python3 get-pip.py && \
+    python3 -m pip install --root-user-action=ignore atheris pyinstaller
 RUN git clone https://github.com/numpy/numpy && cd numpy && git submodule update --init
 WORKDIR $SRC
 COPY *.py build.sh $SRC/