bump proxmox-schema dep to 1.3

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

pbs-tape/Cargo.toml

@@ -22,7 +22,7 @@ udev = "0.4"
 proxmox-io = "1"
 proxmox-lang = "1.1"
 # api-macro is only used by the binaries, so maybe we should split them out
-proxmox-schema = { version = "1.1", features = [ "api-macro" ] }
+proxmox-schema = { version = "1.3", features = [ "api-macro" ] }
 proxmox-time = "1"
 proxmox-uuid = "1"