update cert renewal script with poetry entrypoint
The cron job to renew the certificate should use the executables from the poetry environment for completeness to avoid using remnants from the .local
files.
Poetry (version 1.6.1)
gwcelery-nFtdlj0t-py3.9 (Activated)
/home/emfollow-test/renew-cert.sh: /home/emfollow-test/.local/bin/ecp-get-cert: /cvmfs/software.igwn.org/conda/envs/igwn-py39-20221118/bin/python: bad interpreter: No such file or directory