chore: pin dependencies

Author: renovate[bot]

@commitlint/travis-cli/package.json

@@ -61,11 +61,11 @@
     "babel-preset-commitlint": "^5.2.0",
     "babel-register": "6.26.0",
     "cross-env": "5.1.1",
-    "which": "^1.3.0"
+    "which": "1.3.0"
   },
   "dependencies": {
     "@commitlint/cli": "^5.2.3",
-    "babel-runtime": "^6.26.0",
-    "execa": "^0.8.0"
+    "babel-runtime": "6.26.0",
+    "execa": "0.8.0"
   }
 }

package.json

@@ -86,7 +86,7 @@
     "eslint": "4.11.0",
     "eslint-config-prettier": "2.8.0",
     "husky": "0.14.3",
-    "lerna": "^2.5.1",
+    "lerna": "2.5.1",
     "lint-staged": "5.0.0",
     "npx": "9.7.1",
     "prettier": "1.8.2",

yarn.lock

@@ -1127,7 +1127,7 @@ [email protected], babel-register@^6.26.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.15"
 
-babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.23.0, babel-runtime@^6.26.0:
+babel-runtime@6.26.0, babel-runtime@^6.18.0, babel-runtime@^6.22.0, babel-runtime@^6.23.0, babel-runtime@^6.26.0:
   version "6.26.0"
   resolved "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
@@ -4229,7 +4229,7 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
-[email protected], lerna@^2.5.1:
+[email protected]:
   version "2.5.1"
   resolved "https://registry.npmjs.org/lerna/-/lerna-2.5.1.tgz#d07099bd3051ee799f98c753328bd69e96c6fab8"
   dependencies:
@@ -7002,7 +7002,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@1, which@^1.2.10, which@^1.2.12, which@^1.2.14, which@^1.2.9, which@^1.3.0:
+which@1, which@1.3.0, which@^1.2.10, which@^1.2.12, which@^1.2.14, which@^1.2.9:
   version "1.3.0"
   resolved "https://registry.npmjs.org/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies: