bump versions.yml

bump versions.yml

fix sed bug and restore versions file with latest bumps

Signed-off-by: Rui Yang <[email protected]>

bump versions.yml

bump versions.yml

bump versions.yml

bump stemcells to jammy

there are bionic reference in /lite still. To bump those we have to
also bump CPI versions that requires testing.

Signed-off-by: Rui Yang <[email protected]>

Merge pull request #249 from concourse/restore-version-yml

restore versions.yml

update stemcell to jammy

Signed-off-by: Rui Yang <[email protected]>

bump concourse to 7.8.3

Signed-off-by: Rui Yang <[email protected]>