update: typescript, jest, coveralls, lodash

typescript >= 4.0.5
jest >= 26.6.3
ts-jest >= 26.4.3
@types/jest >= 26.0.15
coveralls >= 3.1.0
lodash.clonedeep >= 4.5.0

.travis.yml

@@ -4,6 +4,7 @@ node_js:
   # LTS
   - "8"
   - "10"
+  - "12"
   - "node"
 before_install:
   - npm install -g npm

package.json

@@ -35,12 +35,12 @@
   },
   "homepage": "https://github.com/icetemple/npm-it-fsm#readme",
   "devDependencies": {
-    "@types/jest": "^24.9.1",
+    "@types/jest": "^26.0.15",
     "@types/lodash.clonedeep": "^4.5.6",
-    "coveralls": "^3.0.11",
-    "jest": "^24.8.0",
-    "ts-jest": "^24.3.0",
-    "typescript": "^3.8.3"
+    "coveralls": "^3.1.0",
+    "jest": "^26.6.3",
+    "ts-jest": "^26.4.3",
+    "typescript": "^4.0.5"
   },
   "dependencies": {
     "lodash.clonedeep": "^4.5.0"