hack/build.sh: skip terraform for altinfra or aro

When building the altinfra or ARO images, no terraform dependencies
should be involved, so skip them in the build script.

Author: patrickdillon

hack/build.sh

@@ -42,7 +42,7 @@ export CGO_ENABLED=0
 MODE="${MODE:-release}"
 
 # Build terraform binaries before setting environment variables since it messes up make
-if test "${SKIP_TERRAFORM}" != y
+if test "${SKIP_TERRAFORM}" != y && ! (echo "${TAGS}" | grep -q -e 'aro' -e 'altinfra')
 then
   make -j8 -C terraform all
   copy_terraform_to_mirror # Copy terraform parts to embedded mirror.