Update dependency which to v1.3.1

Author: renovate-bot

@commitlint/travis-cli/package.json

@@ -62,7 +62,7 @@
     "babel-preset-commitlint": "^8.0.0",
     "babel-register": "6.26.0",
     "cross-env": "5.1.1",
-    "which": "1.3.0"
+    "which": "1.3.1"
   },
   "dependencies": {
     "@commitlint/cli": "^8.1.0",

yarn.lock

@@ -11259,14 +11259,14 @@ which-module@^2.0.0:
   resolved "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
   integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
 
-which@1, which@1.3.0, which@^1.2.10, which@^1.2.9:
+which@1, which@^1.2.10, which@^1.2.9:
   version "1.3.0"
   resolved "https://registry.npmjs.org/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   integrity sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==
   dependencies:
     isexe "^2.0.0"
 
-which@^1.2.14, which@^1.3.0, which@^1.3.1:
+which@1.3.1, which@^1.2.14, which@^1.3.0, which@^1.3.1:
   version "1.3.1"
   resolved "https://registry.npmjs.org/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==