Move samples to alpha3

Author: mike-thompson-day8

examples/simple/project.clj

@@ -2,7 +2,7 @@
   :dependencies [[org.clojure/clojure        "1.8.0"]
                  [org.clojure/clojurescript  "1.9.89"]
                  [reagent  "0.6.0-rc"]
-                 [re-frame "0.8.0-alpha2"]]
+                 [re-frame "0.8.0-alpha3"]]
 
   :plugins [[lein-cljsbuild "1.1.3"]
             [lein-figwheel  "0.5.4-7"]]

examples/todomvc/project.clj

@@ -2,7 +2,7 @@
   :dependencies [[org.clojure/clojure        "1.8.0"]
                  [org.clojure/clojurescript  "1.9.89"]
                  [reagent "0.6.0-rc"]
-                 [re-frame "0.8.0-SNAPSHOT"]
+                 [re-frame "0.8.0-alpha3"]
                  [binaryage/devtools "0.7.0"]
                  [secretary "1.2.3"]]