[Security] Bump graphql-playground-html from 1.6.19 to 1.6.25

Bumps [graphql-playground-html](https://github.com/graphcool/graphql-playground) from 1.6.19 to 1.6.25. **This update includes a security fix.**
- [Release notes](https://github.com/graphcool/graphql-playground/releases)
- [Commits](https://github.com/graphcool/graphql-playground/commits)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -3329,6 +3329,11 @@ commander@^2.11.0, commander@^2.20.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
 
+commander@^2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
 commander@~2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
@@ -3816,6 +3821,11 @@ cssesc@^2.0.0:
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-2.0.0.tgz#3b13bd1bb1cb36e1bcb5a4dcd27f54c5dcb35703"
   integrity sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==
 
+[email protected]:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/cssfilter/-/cssfilter-0.0.10.tgz#c6d2672632a2e5c83e013e6864a42ce8defd20ae"
+  integrity sha1-xtJnJjKi5cg+AT5oZKQs6N79IK4=
+
 cssnano-preset-default@^4.0.7:
   version "4.0.7"
   resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-4.0.7.tgz#51ec662ccfca0f88b396dcd9679cdb931be17f76"
@@ -6481,9 +6491,11 @@ graphql-import@^0.7.1:
     resolve-from "^4.0.0"
 
 graphql-playground-html@^1.6.19:
-  version "1.6.19"
-  resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.6.19.tgz#3883ecf5e8c18b3c0f08145b5417b9c01a1f0bef"
-  integrity sha512-cLAqoOlxHbGj/LBpr4l2BE9qXf3g8ShjQqU2daVueITI/3wIkcDQTaQaQp+HWv0uaX0dCsgMCFW/TooLj8yJOg==
+  version "1.6.25"
+  resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.6.25.tgz#2d8fa250cec4036a4f5b7f8ad069c86d6d64c95f"
+  integrity sha512-wMNvGsQ0OwBVhn72VVi7OdpI85IxiIZT43glRx7gQIwQ6NvhFnzMYBIVmcJAJ4UlXRYiWtrQhuOItDXObiR3kg==
+  dependencies:
+    xss "^1.0.6"
 
 graphql-playground-middleware-express@^1.7.14:
   version "1.7.14"
@@ -10561,11 +10573,6 @@ prettier@^2.0.5:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
   integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
 
-prettier@^2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.0.5.tgz#d6d56282455243f2f92cc1716692c08aa31522d4"
-  integrity sha512-7PtVymN48hGcO4fGjybyBSIWDsLU4H4XlvOHfq91pz9kkGlonzwTfYkaIEwiRg/dAJF9YlbsduBAgtYLi+8cFg==
-
 pretty-bytes@^5.1.0, pretty-bytes@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-5.3.0.tgz#f2849e27db79fb4d6cfe24764fc4134f165989f2"
@@ -14023,6 +14030,14 @@ xregexp@^4.3.0:
   dependencies:
     "@babel/runtime-corejs3" "^7.8.3"
 
+xss@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/xss/-/xss-1.0.7.tgz#a554cbd5e909324bd6893fb47fff441ad54e2a95"
+  integrity sha512-A9v7tblGvxu8TWXQC9rlpW96a+LN1lyw6wyhpTmmGW+FwRMactchBR3ROKSi33UPCUcUHSu8s9YP6F+K3Mw//w==
+  dependencies:
+    commander "^2.20.3"
+    cssfilter "0.0.10"
+
 xstate@^4.8.0, xstate@^4.9.1:
   version "4.9.1"
   resolved "https://registry.yarnpkg.com/xstate/-/xstate-4.9.1.tgz#da883ae0993b129ba0b54592c59b069963b0fe0a"