Adds support for `since` as a valid filter option for `podman volume ls`
and `podman volume prune`.
Implements: #19228
Initially suggested from: #19119
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>
Fixes a bug where `podman volume ls` with multiple `label` filters would
return volumes that matched *any* of the filters, not *all* of them.
Adapts generating volume filter functions to be more in
line with how it is done for containers and pods.
Fixes: #19219
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>