Add timeout for dpkg frontend lock (dotnet#100653)

* Add wait for the bpkg lock to be unlocked, up to 2 minutes.
* Add a printout for the file that is holding the dpkg lock-frontend so we can further investigate in the future.
* Adding a printout that prints that we are still waiting to make when we continued more clear.

eng/pipelines/coreclr/templates/run-performance-job.yml

@@ -91,6 +91,8 @@ jobs:
         export ORIGPYPATH=$PYTHONPATH
         export CRYPTOGRAPHY_ALLOW_OPENSSL_102=true;
         echo "** Installing prerequistes **";
+        echo "** Waiting for dpkg to unlock (up to 2 minutes) **" &&
+        timeout 2m bash -c 'while sudo fuser /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do if [ -z "$printed" ]; then echo "Waiting for dpkg lock to be released... Lock is held by: $(ps -o cmd= -p $(sudo fuser /var/lib/dpkg/lock-frontend))"; printed=1; fi; echo "Waiting 5 seconds to check again"; sleep 5; done;' &&
         sudo apt-get -y install python3-pip &&
         python3 -m pip install --user -U pip &&
         sudo apt-get -y install python3-venv &&