Bump acorn from 6.3.0 to 6.4.1 in /cvat-ui (#1270)

* Bump acorn from 6.3.0 to 6.4.1 in /cvat-ui

Bumps [acorn](https://github.com/acornjs/acorn) from 6.3.0 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.3.0...6.4.1)

Signed-off-by: dependabot[bot] <support@github.com>

* Updated CHANGELOG.md

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Boris Sekachev <boris.sekachev@yandex.ru>

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 -
 
 ### Changed
--
+- 
 
 ### Deprecated
 -
@@ -21,7 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 -
 
 ### Security
--
+- Bump acorn from 6.3.0 to 6.4.1 in /cvat-ui ([#1270](https://github.com/opencv/cvat/pull/1270))
 
 ## [0.6.0] - 2020-03-15
 ### Added

cvat-ui/package-lock.json

@@ -1421,9 +1421,9 @@
       }
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
       "dev": true
     },
     "acorn-jsx": {
@@ -4293,14 +4293,6 @@
         "acorn": "^7.1.0",
         "acorn-jsx": "^5.1.0",
         "eslint-visitor-keys": "^1.1.0"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
-          "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
-          "dev": true
-        }
       }
     },
     "esprima": {
@@ -12354,6 +12346,12 @@
         "webpack-sources": "^1.4.1"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+          "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+          "dev": true
+        },
         "schema-utils": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",