Bump tippy.js from 4.3.5 to 6.3.7

Bumps [tippy.js](https://github.com/atomiks/tippyjs) from 4.3.5 to 6.3.7.
- [Release notes](https://github.com/atomiks/tippyjs/releases)
- [Commits](atomiks/tippyjs@v4.3.5...v6.3.7)

---
updated-dependencies:
- dependency-name: tippy.js
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -33,7 +33,7 @@
     "lodash": "4.17.15",
     "popper.js": "1.14.6",
     "purecss": "0.6.2",
-    "tippy.js": "4.2.1",
+    "tippy.js": "6.3.7",
     "vue-intl": "3.1.0",
     "xstate": "4.38.3"
   },

yarn.lock

@@ -1788,6 +1788,11 @@
     mustache "^2.3.0"
     stack-trace "0.0.10"
 
+"@popperjs/core@^2.9.0":
+  version "2.11.8"
+  resolved "https://registry.yarnpkg.com/@popperjs/core/-/core-2.11.8.tgz#6b79032e760a0899cd4204710beede972a3a185f"
+  integrity sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==
+
 "@romainberger/css-diff@^1.0.3":
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/@romainberger/css-diff/-/css-diff-1.0.3.tgz#ced387535d4f42a42ac1fe13c09de97f5ae1344c"
@@ -10634,11 +10639,6 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.14.6.tgz#ab20dd4edf9288b8b3b6531c47c361107b60b4b0"
   integrity sha512-AGwHGQBKumlk/MDfrSOf0JHhJCImdDMcGNoqKmKkU+68GFazv3CQ6q9r7Ja1sKDZmYWTckY/uLyEznheTDycnA==
 
-popper.js@^1.14.7:
-  version "1.16.1"
-  resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.16.1.tgz#2a223cb3dc7b6213d740e40372be40de43e65b1b"
-  integrity sha512-Wb4p1J4zyFTbM+u6WuO4XstYx4Ky9Cewe4DWrel7B0w6VVICvPwdOpotjzcf6eD8TsckVnIMNONQyPIUFOUbCQ==
-
 portfinder@^1.0.26:
   version "1.0.28"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
@@ -13862,12 +13862,12 @@ timsort@^0.3.0:
   resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
-tippy.js@4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/tippy.js/-/tippy.js-4.2.1.tgz#9e4939d976465f77229b05a3cb233b5dc28cf850"
-  integrity sha512-xEE7zYNgQxCDdPcuT6T04f0frPh0wO7CcIqJKMFazU/NqusyjCgYSkLRosIHoiRkZMRzSPOudC8wRN5GjvAyOQ==
+tippy.js@6.3.7:
+  version "6.3.7"
+  resolved "https://registry.yarnpkg.com/tippy.js/-/tippy.js-6.3.7.tgz#8ccfb651d642010ed9a32ff29b0e9e19c5b8c61c"
+  integrity sha512-E1d3oP2emgJ9dRQZdf3Kkn0qJgI6ZLpyS5z6ZkY1DF3kaQaBsGZsndEpHwx+eC+tYM41HaSNvNtLx8tU57FzTQ==
   dependencies:
-    popper.js "^1.14.7"
+    "@popperjs/core" "^2.9.0"
 
 tmp@^0.0.33:
   version "0.0.33"