* Updating semantic-release dependencies

* Adding JetBrains analysis directory to .gitignore
Closes iopipe#18

.gitignore

@@ -5,3 +5,4 @@ dist
 .opt-out
 .DS_Store
 .eslintcache
+.idea

package.json

@@ -39,8 +39,8 @@
   "dependencies": {
     "@iopipe/eslint-config-iopipe": "1.0.2",
     "@ljharb/eslint-config": "^12.2.1",
-    "@semantic-release/github": "^2.2.3",
-    "@semantic-release/npm": "^2.4.0",
+    "@semantic-release/github": "^5.4.0",
+    "@semantic-release/npm": "^5.1.9",
     "all-contributors-cli": "^4.9.1",
     "arrify": "^1.0.1",
     "babel-cli": "^6.26.0",
@@ -91,7 +91,7 @@
     "rollup-plugin-node-globals": "^1.1.0",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-uglify": "^2.0.1",
-    "semantic-release": "^11.0.2",
+    "semantic-release": "^15.13.16",
     "which": "^1.3.0",
     "yargs-parser": "^8.0.0"
   },