build: update the poetry.lock file

It seem that these tests are flaky, and as a result our CI pipeline is
failing from time to time. This will rerun it automatically when there
is an error.

See https://github.com/freedomofpress/dangerzone/issues/968 for more
information

.github/workflows/scan_released.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Download container image for the latest release and load it
         run: |
           VERSION=$(curl https://api.github.com/repos/freedomofpress/dangerzone/releases/latest | jq -r '.tag_name')
-          CONTAINER_FILENAME=container-${VERSION:1}-i686.tar.gz
+          CONTAINER_FILENAME=container-${VERSION}-i686.tar.gz
           wget https://github.com/freedomofpress/dangerzone/releases/download/${VERSION}/${CONTAINER_FILENAME} -O ${CONTAINER_FILENAME}
           docker load -i ${CONTAINER_FILENAME}
       # NOTE: Scan first without failing, else we won't be able to read the scan