chore(deps): 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] <support@github.com>

Author: dependabot[bot]

yarn.lock

@@ -1592,9 +1592,9 @@ 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, acorn@^6.0.4, acorn@^6.2.1:
   version "6.3.0"
@@ -1730,6 +1730,17 @@ apollo-cache-inmemory@^1.6.3:
     ts-invariant "^0.4.0"
     tslib "^1.9.3"
 
+apollo-cache-inmemory@latest:
+  version "1.6.5"
+  resolved "https://registry.yarnpkg.com/apollo-cache-inmemory/-/apollo-cache-inmemory-1.6.5.tgz#2ccaa3827686f6ed7fb634203dbf2b8d7015856a"
+  integrity sha512-koB76JUDJaycfejHmrXBbWIN9pRKM0Z9CJGQcBzIOtmte1JhEBSuzsOUu7NQgiXKYI4iGoMREcnaWffsosZynA==
+  dependencies:
+    apollo-cache "^1.3.4"
+    apollo-utilities "^1.3.3"
+    optimism "^0.10.0"
+    ts-invariant "^0.4.0"
+    tslib "^1.10.0"
+
 apollo-cache@1.3.2, apollo-cache@^1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/apollo-cache/-/apollo-cache-1.3.2.tgz#df4dce56240d6c95c613510d7e409f7214e6d26a"
@@ -1738,6 +1749,14 @@ apollo-cache@1.3.2, apollo-cache@^1.3.2:
     apollo-utilities "^1.3.2"
     tslib "^1.9.3"
 
+apollo-cache@1.3.4, apollo-cache@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/apollo-cache/-/apollo-cache-1.3.4.tgz#0c9f63c793e1cd6e34c450f7668e77aff58c9a42"
+  integrity sha512-7X5aGbqaOWYG+SSkCzJNHTz2ZKDcyRwtmvW4mGVLRqdQs+HxfXS4dUS2CcwrAj449se6tZ6NLUMnjko4KMt3KA==
+  dependencies:
+    apollo-utilities "^1.3.3"
+    tslib "^1.10.0"
+
 apollo-client@^2.6.4:
   version "2.6.4"
   resolved "https://registry.yarnpkg.com/apollo-client/-/apollo-client-2.6.4.tgz#872c32927263a0d34655c5ef8a8949fbb20b6140"
@@ -1752,6 +1771,20 @@ apollo-client@^2.6.4:
     tslib "^1.9.3"
     zen-observable "^0.8.0"
 
+apollo-client@latest:
+  version "2.6.8"
+  resolved "https://registry.yarnpkg.com/apollo-client/-/apollo-client-2.6.8.tgz#01cebc18692abf90c6b3806414e081696b0fa537"
+  integrity sha512-0zvJtAcONiozpa5z5zgou83iEKkBaXhhSSXJebFHRXs100SecDojyUWKjwTtBPn9HbM6o5xrvC5mo9VQ5fgAjw==
+  dependencies:
+    "@types/zen-observable" "^0.8.0"
+    apollo-cache "1.3.4"
+    apollo-link "^1.0.0"
+    apollo-utilities "1.3.3"
+    symbol-observable "^1.0.2"
+    ts-invariant "^0.4.0"
+    tslib "^1.10.0"
+    zen-observable "^0.8.0"
+
 apollo-link-error@^1.0.3:
   version "1.1.12"
   resolved "https://registry.yarnpkg.com/apollo-link-error/-/apollo-link-error-1.1.12.tgz#e24487bb3c30af0654047611cda87038afbacbf9"
@@ -1770,7 +1803,7 @@ apollo-link-http-common@^0.2.15:
     ts-invariant "^0.4.0"
     tslib "^1.9.3"
 
-apollo-link-http@^1.3.1:
+apollo-link-http@^1.3.1, apollo-link-http@latest:
   version "1.5.16"
   resolved "https://registry.yarnpkg.com/apollo-link-http/-/apollo-link-http-1.5.16.tgz#44fe760bcc2803b8a7f57fc9269173afb00f3814"
   integrity sha512-IA3xA/OcrOzINRZEECI6IdhRp/Twom5X5L9jMehfzEo2AXdeRwAMlH5LuvTZHgKD8V1MBnXdM6YXawXkTDSmJw==
@@ -1799,6 +1832,16 @@ apollo-utilities@1.3.2, apollo-utilities@^1.3.0, apollo-utilities@^1.3.2:
     ts-invariant "^0.4.0"
     tslib "^1.9.3"
 
+apollo-utilities@1.3.3, apollo-utilities@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/apollo-utilities/-/apollo-utilities-1.3.3.tgz#f1854715a7be80cd810bc3ac95df085815c0787c"
+  integrity sha512-F14aX2R/fKNYMvhuP2t9GD9fggID7zp5I96MF5QeKYWDWTrkRdHRp4+SVfXUVN+cXOaB/IebfvRtzPf25CM0zw==
+  dependencies:
+    "@wry/equality" "^0.1.2"
+    fast-json-stable-stringify "^2.0.0"
+    ts-invariant "^0.4.0"
+    tslib "^1.10.0"
+
 aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"