Switch ubuntu image to Jammy Jellyfish

Move to the 22.04 LTS release. Also stop installing
python2, since its EOL.

Depends-On: Idd3e6a6fdb8cf13727cd674c76efd89b3aacfc52
Change-Id: I9b4c134ecc9279487e253fa3bc38ae32fe487ac6
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

bin/manila-image-create

@@ -20,7 +20,7 @@ MANILA_USER_AUTHORIZED_KEYS=${MANILA_USER_AUTHORIZED_KEYS:-"None"}
 # Manila image settings
 MANILA_IMG_ARCH=${MANILA_IMG_ARCH:-"amd64"}
 MANILA_IMG_OS=${MANILA_IMG_OS:-"manila-ubuntu-minimal"}
-MANILA_IMG_OS_VER=${MANILA_IMG_OS_VER:-"focal"}
+MANILA_IMG_OS_VER=${MANILA_IMG_OS_VER:-"jammy"}
 MANILA_IMG_NAME=${MANILA_IMG_NAME:-"manila-service-image"}
 
 # Manila image creation default

elements/manila-centos-minimal/package-installs.yaml

@@ -5,5 +5,5 @@ vim:
 iptables:
 iputils:
 net-tools:
-python:
+python3:
 qemu-guest-agent:

elements/manila-ubuntu-minimal/package-installs.yaml

@@ -5,5 +5,5 @@ vim:
 iptables:
 inetutils-ping:
 net-tools:
-python:
+python3:
 qemu-guest-agent: