Escape faulty string interpolation in heredoc
Escape faulty string interpolation in heredoc

[#99573896](https://www.pivotaltracker.com/story/show/99573896)

Signed-off-by: Megan Murawski <02897eb72fb24087f703dea4644b179a9f7c53a1@emc.com>

tracyde/bosh-aws-cpi-release,sedouard/bosh-aws-cpi-release,sedouard/bosh-aws-cpi-release,ritazh/bosh-aws-cpi-release,tracyde/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release,sedouard/bosh-aws-cpi-release,tracyde/bosh-aws-cpi-release,ritazh/bosh-aws-cpi-release,wcamarao/bosh-aws-cpi-release,wcamarao/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,jfuerth/bosh-aws-cpi-release,wcamarao/bosh-aws-cpi-release,ritazh/bosh-aws-cpi-release