Wrap license value in double quotes
Wrap license value in double quotes

Every other string value in the default template uses double-quoted
strings.  This updates the `pkg_license` to a value of `("Apache-2.0")`
instead of `('Apache-2.0')`

Signed-off-by: Nathen Harvey <f3cabdeba0e84594589839e3e1ff17618f7c11d9@chef.io>

habitat-sh/habitat,rsertelon/habitat,nathenharvey/habitat,rsertelon/habitat,rsertelon/habitat,nathenharvey/habitat,georgemarshall/habitat,habitat-sh/habitat,habitat-sh/habitat,georgemarshall/habitat,georgemarshall/habitat,habitat-sh/habitat,nathenharvey/habitat,nathenharvey/habitat,habitat-sh/habitat,georgemarshall/habitat,nathenharvey/habitat,habitat-sh/habitat,georgemarshall/habitat,rsertelon/habitat,georgemarshall/habitat,georgemarshall/habitat,rsertelon/habitat,rsertelon/habitat,georgemarshall/habitat,rsertelon/habitat,nathenharvey/habitat,habitat-sh/habitat,habitat-sh/habitat