chore: Enter pre-release mode and version packages

packages/medusa-source-shopify/package.json

@@ -1,6 +1,6 @@
 {
   "name": "medusa-source-shopify",
-  "version": "1.2.7",
+  "version": "1.2.8-rc.0",
   "description": "Source plugin that allows users to import products from a Shopify store",
   "main": "index.js",
   "repository": {
@@ -17,7 +17,7 @@
     "watch": "babel -w src --out-dir . --ignore '**/__tests__','**/__mocks__'"
   },
   "peerDependencies": {
-    "medusa-interfaces": "1.3.6",
+    "medusa-interfaces": "1.3.7-rc.0",
     "typeorm": "0.x"
   },
   "dependencies": {
@@ -28,9 +28,9 @@
     "express": "^4.17.1",
     "ioredis": "^4.27.9",
     "lodash": "^4.17.21",
-    "medusa-core-utils": "^1.1.39",
-    "medusa-interfaces": "^1.3.6",
-    "medusa-test-utils": "^1.1.37"
+    "medusa-core-utils": "^1.2.0-rc.0",
+    "medusa-interfaces": "^1.3.7-rc.0",
+    "medusa-test-utils": "^1.1.40-rc.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.15.4",
@@ -45,7 +45,7 @@
     "client-sessions": "^0.8.0",
     "cross-env": "^7.0.3",
     "jest": "^25.5.4",
-    "medusa-interfaces": "^1.3.6"
+    "medusa-interfaces": "^1.3.7-rc.0"
   },
   "gitHead": "cd1f5afa5aa8c0b15ea957008ee19f1d695cbd2e",
   "keywords": [