Bump stemcell
Bump stemcell

[#97500004]

Signed-off-by: Jamie Monserrate <jmonserrate@pivotal.io>

Conflicts:
	manifests/cf-redis-aws.yml

sclevine/cf-redis-release,pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,sjkyspa/cf-redis-broker,sjkyspa/cf-redis-broker,sclevine/cf-redis-release,pivotal-cf/cf-redis-release,jim80net/cf-redis-release,jim80net/cf-redis-release,geofffranks/cf-redis-release,geofffranks/cf-redis-release,sclevine/cf-redis-release