fix confd install

[todd-dsm]

review to see if this even has value any more...

Installing confd...
ESC[m+ confdDir=/Users/thomas/go/src/github.com/kelseyhightower/confd
+ git clone https://github.com/kelseyhightower/confd.git /Users/thomas/go/src/github.com/kelseyhightower/confd
Cloning into '/Users/thomas/go/src/github.com/kelseyhightower/confd'...
+ cd /Users/thomas/go/src/github.com/kelseyhightower/confd
+ go mod init
./bootstrap.sh: line 559: go: command not found
+ go mod tidy
./bootstrap.sh: line 560: go: command not found
+ go mod vendor
./bootstrap.sh: line 561: go: command not found
+ make build
Building confd...
/bin/sh: go: command not found
make: *** [Makefile:8: build] Error 127
+ printInfo 'There was a build issue with confd.'
+ theInfo='There was a build issue with confd.'
+ printf '%s\n' '
    There was a build issue with confd.

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https://github.com/kelseyhightower/confd