chore(deps): update dependency proxyquire to v2

package.json

@@ -45,6 +45,6 @@
     "hubot-test-helper": "1.9.0",
     "istanbul": "0.4.5",
     "mocha": "5.2.0",
-    "proxyquire": "1.8.0"
+    "proxyquire": "2.1.2"
   }
 }

yarn.lock

@@ -1017,7 +1017,7 @@ [email protected]:
     mkdirp "0.5.1"
     supports-color "5.4.0"
 
-module-not-found-error@^1.0.0:
+module-not-found-error@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/module-not-found-error/-/module-not-found-error-1.0.1.tgz#cf8b4ff4f29640674d6cdd02b0e3bc523c2bbdc0"
 
@@ -1120,6 +1120,10 @@ path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+
 pathval@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
@@ -1147,13 +1151,13 @@ proxy-addr@~1.0.8:
     forwarded "~0.1.0"
     ipaddr.js "1.0.5"
 
-proxyquire@1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/proxyquire/-/proxyquire-1.8.0.tgz#02d514a5bed986f04cbb2093af16741535f79edc"
+proxyquire@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/proxyquire/-/proxyquire-2.1.2.tgz#287acf81330723fdb7ab1be69907169e61a4e19f"
   dependencies:
     fill-keys "^1.0.2"
-    module-not-found-error "^1.0.0"
-    resolve "~1.1.7"
+    module-not-found-error "^1.0.1"
+    resolve "^1.11.1"
 
 psl@^1.1.24:
   version "1.1.29"
@@ -1229,14 +1233,20 @@ request@^2.86.0, request@~2.88.0:
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
-[email protected], resolve@~1.1.7:
+[email protected]:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
 resolve@^0.6.3:
   version "0.6.3"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-0.6.3.tgz#dd957982e7e736debdf53b58a4dd91754575dd46"
 
+resolve@^1.11.1:
+  version "1.12.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.12.0.tgz#3fc644a35c84a48554609ff26ec52b66fa577df6"
+  dependencies:
+    path-parse "^1.0.6"
+
 response-time@~2.3.1:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/response-time/-/response-time-2.3.2.tgz#ffa71bab952d62f7c1d49b7434355fbc68dffc5a"