[connectedhomeip] Making python3.10 as default

projects/connectedhomeip/Dockerfile

@@ -20,19 +20,24 @@ FROM gcr.io/oss-fuzz-base/base-builder
 # See connectedhomeip/docs/guides/BUILDING.md#prerequisites
 RUN apt-get update && \
  apt-get install -y pkg-config libssl-dev libdbus-1-dev libglib2.0-dev \
- libavahi-client-dev ninja-build python3-venv python3-dev python3-pip \
- unzip libgirepository1.0-dev libcairo2-dev libreadline-dev
+ libavahi-client-dev ninja-build \
+ unzip libgirepository1.0-dev libcairo2-dev libreadline-dev
+
+# Installing Python3.10 and using it instead of the default Python taken from the base-builder image
+RUN apt-get install -y software-properties-common && \
+ add-apt-repository ppa:deadsnakes/ppa && \
+ apt-get update && \
+ apt-get install -y pkg-config python3.10 python3.10-dev python3.10-venv && \
+ ln --force -s /usr/bin/python3.10 /usr/bin/python3
 
 # Ensure python that was just installed gets precedence over
 # the one already installed in /usr/local/bin
 ENV PATH="/usr/bin/:${PATH}"
 
-# This fixes setuptools bug related to version 71 
-# https:/pypa/setuptools/issues/4483 
-RUN pip install -U packaging
+RUN python3 -m ensurepip --upgrade
 
 # PEP-517 needed for cryptography. Update pip
-RUN pip3 install --upgrade pip setuptools wheel
+RUN python3 -m pip install --upgrade pip setuptools wheel
 
 # Install Rust for building `cryptography` python package when bootstraping pigweed
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y