script/build-with-container: fix building on docker

Fix building images on docker by using the `--pull` option instead of
`--pull=always`. The latter apparently only works on podman. The former
should do the same thing on both container engines.

Fixes: https://tracker.ceph.com/issues/70470
Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

src/script/build-with-container.py

@@ -459,7 +459,7 @@ def build_container(ctx):
     cmd = [
         ctx.container_engine,
         "build",
-        "--pull=always",
+        "--pull",
         "-t",
         ctx.image_name,
         f"--build-arg=JENKINS_HOME={ctx.cli.homedir}",