install.rb in mixlib-install-1.2.4

- old
+ new

@@ -15,9 +15,11 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
 
+raise "mixlib-install v1 has been deprecated, please update to v2+. See https://discourse.chef.io/t/end-of-life-announcement-for-chef-software-inc-s-bintray-account/9807/1 for more information."
+
 require "mixlib/versioning"
 require "mixlib/shellout"
 
 require "mixlib/install/backend"
 require "mixlib/install/options"