Bump buffer from 5.7.0 to 6.0.2 (#1764)

Bumps [buffer](https://github.com/feross/buffer) from 5.7.0 to 6.0.2.
- [Release notes](https://github.com/feross/buffer/releases)
- [Commits](feross/buffer@v5.7.0...v6.0.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -40,7 +40,7 @@
     "base64-img": "^1.0.4",
     "bootstrap": "^3.4.1",
     "bootstrap-colorpicker": "^2.5.3",
-    "buffer": "~5.7.0",
+    "buffer": "~6.0.2",
     "commander": "^6.2.0",
     "compressorjs": "^1.0.5",
     "data-uri-to-buffer": "^3.0.0",

yarn.lock

@@ -1885,7 +1885,7 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.0.2, buffer@^5.2.1, buffer@^5.4.3, buffer@~5.7.0:
+buffer@^5.0.2, buffer@^5.2.1, buffer@^5.4.3:
   version "5.7.0"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.0.tgz#88afbd29fc89fa7b58e82b39206f31f2cf34feed"
   integrity sha512-cd+5r1VLBwUqTrmnzW+D7ABkJUM6mr7uv1dv+6jRw4Rcl7tFIFHDqHPL98LhpGFn3dbAt3gtLxtrWp4m1kFrqg==
@@ -1901,6 +1901,14 @@ buffer@~5.2.1:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@~6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-6.0.2.tgz#ca9ab87dffd0e864977f541f09844f06a60a8acd"
+  integrity sha512-XeXCUm+F7uY7fIzq4pKy+BLbZk4SgYS5xwlZOFYD3UEcAD+PwOoTaFr/SaXvhR1yRa8SKyPSZ7LNX4N65w7h8A==
+  dependencies:
+    base64-js "^1.3.1"
+    ieee754 "^1.2.1"
+
 builtin-modules@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -5270,7 +5278,7 @@ [email protected], iconv-lite@^0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-ieee754@^1.1.13, ieee754@^1.1.4:
+ieee754@^1.1.13, ieee754@^1.1.4, ieee754@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
   integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==