Bump acorn from 5.7.3 to 5.7.4

Bumps [acorn](https://github.com/acornjs/acorn) from 5.7.3 to 5.7.4.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](acornjs/acorn@5.7.3...5.7.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -1282,9 +1282,9 @@ acorn-walk@^6.0.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^5.5.3:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 acorn@^6.0.1:
   version "6.3.0"
@@ -3021,6 +3021,16 @@ functional-red-black-tree@^1.0.1:
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+fuzzball@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/fuzzball/-/fuzzball-1.3.0.tgz#45108c6e240f1c20834033c95ab0bbb5cd78e615"
+  integrity sha512-Bb5worsDV5ZUEKfxCyMfN24hdJqLtUkd3gX/CW1WeeNaN4hQXk/R4vVHiZfOIhA4vdun+oYRFVXKjTNv96Vj1w==
+  dependencies:
+    heap ">=0.2.0"
+    setimmediate "^1.0.5"
+    string.fromcodepoint "^0.2.1"
+    string.prototype.codepointat "^0.2.0"
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -3200,6 +3210,11 @@ has@^1.0.1, has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+heap@>=0.2.0:
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
+  integrity sha1-CH4fELBGky/IWU3Z5tN4r8nR5aw=
+
 hermesvm@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/hermesvm/-/hermesvm-0.1.0.tgz#4bfaf4ac682a2fd407b862ab641eb8deb232de83"
@@ -6562,6 +6577,16 @@ string-width@^4.1.0:
     is-fullwidth-code-point "^3.0.0"
     strip-ansi "^5.2.0"
 
+string.fromcodepoint@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/string.fromcodepoint/-/string.fromcodepoint-0.2.1.tgz#8d978333c0bc92538f50f383e4888f3e5619d653"
+  integrity sha1-jZeDM8C8klOPUPOD5IiPPlYZ1lM=
+
+string.prototype.codepointat@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/string.prototype.codepointat/-/string.prototype.codepointat-0.2.1.tgz#004ad44c8afc727527b108cd462b4d971cd469bc"
+  integrity sha512-2cBVCj6I4IOvEnjgO/hWqXjqBGsY+zwPmHl12Srk9IXSZ56Jwwmy+66XO5Iut/oQVR7t5ihYdLB0GMa4alEUcg==
+
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"