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

@@ -1520,9 +1520,9 @@ acorn-walk@^6.0.1:
   integrity sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==
 
 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, acorn@^6.0.4, acorn@^6.0.5, acorn@^6.0.7:
   version "6.1.1"
@@ -3368,6 +3368,11 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+emailjs-com@^2.3.2:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/emailjs-com/-/emailjs-com-2.4.1.tgz#a785b2c13a232714a0376938ecc13a1bfaad6e62"
+  integrity sha512-JOnOm+dRv1Rc+yy+Y0QXKxYYdpbRl7C9xlOwKyTmpbCqAM6rcXRAc/D1igiPHqn1eTvCKzpeursTqfX6e7bdBw==
+
 emoji-regex@^7.0.1, emoji-regex@^7.0.2:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -5856,6 +5861,11 @@ lodash.templatesettings@^4.0.0:
   dependencies:
     lodash._reinterpolate "^3.0.0"
 
+lodash.throttle@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.throttle/-/lodash.throttle-4.1.1.tgz#c23e91b710242ac70c37f1e1cda9274cc39bf2f4"
+  integrity sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ=
+
 [email protected]:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
@@ -7645,7 +7655,7 @@ prompts@^2.0.1:
     kleur "^3.0.2"
     sisteransi "^1.0.0"
 
-prop-types@^15.6.2:
+prop-types@^15.5.8, prop-types@^15.6.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -7926,6 +7936,14 @@ [email protected]:
   optionalDependencies:
     fsevents "2.0.6"
 
+react-scroll@^1.7.12:
+  version "1.7.16"
+  resolved "https://registry.yarnpkg.com/react-scroll/-/react-scroll-1.7.16.tgz#814f0b97ed171aad1f27e45dad16a8444817fec8"
+  integrity sha512-f4M5AdL+3cw3MJ7c/T0hPMY2iHCeQLDXV13lRanAFQ6JIt9xyAdHCpTH9mLUQt9SQh4pRarD+Qc7KhU6qMx3Yg==
+  dependencies:
+    lodash.throttle "^4.1.1"
+    prop-types "^15.5.8"
+
 react@^16.8.6:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"