Update @actions/core in remaining toolkit packages (#636)

* Update to latest @actions/core version

* Bump release notes for new versions

* Add correct pr #

packages/artifact/RELEASES.md

@@ -41,3 +41,8 @@
 ### 0.4.0
 
 - Add option to specify custom retentions on artifacts
+
+### 0.4.1
+
+- Update to latest @actions/core version
+

packages/artifact/package-lock.json

@@ -1,13 +1,13 @@
 {
   "name": "@actions/artifact",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.3.tgz",
-      "integrity": "sha512-Wp4xnyokakM45Uuj4WLUxdsa8fJjKVl1fDTsPbTEcTcuu0Nb26IPQbOtjmnfaCPGcaoPOOqId8H9NapZ8gii4w=="
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.6.tgz",
+      "integrity": "sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA=="
     },
     "@actions/http-client": {
       "version": "1.0.8",

packages/artifact/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@actions/artifact",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "preview": true,
   "description": "Actions artifact lib",
   "keywords": [
@@ -37,7 +37,7 @@
     "url": "https://github.com/actions/toolkit/issues"
   },
   "dependencies": {
-    "@actions/core": "^1.2.1",
+    "@actions/core": "^1.2.6",
     "@actions/http-client": "^1.0.7",
     "@types/tmp": "^0.1.0",
     "tmp": "^0.1.0",