bump core for release and docs (#189)

RELEASES.md

@@ -1,5 +1,9 @@
 # @actions/core Releases
 
+### 1.2.0
+
+- saveState and getState functions for wrapper tasks (on finally entry points that run post job)
+
 ### 1.1.3 
 
 - setSecret added to register a secret with the runner to be masked from the logs

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/core",
-  "version": "1.1.3",
+  "version": "1.2.0",
   "description": "Actions core lib",
   "keywords": [
     "github",