Bump @fullcalendar/core from 6.1.14 to 6.1.15 in /Plan/react/dashboard

Bumps [@fullcalendar/core](https://github.com/fullcalendar/fullcalendar/tree/HEAD/packages/core) from 6.1.14 to 6.1.15.
- [Release notes](https://github.com/fullcalendar/fullcalendar/releases)
- [Changelog](https://github.com/fullcalendar/fullcalendar/blob/main/CHANGELOG.md)
- [Commits](https://github.com/fullcalendar/fullcalendar/commits/v6.1.15/packages/core)

---
updated-dependencies:
- dependency-name: "@fullcalendar/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Plan/react/dashboard/package.json

@@ -14,7 +14,7 @@
     "@fortawesome/free-solid-svg-icons": "^6.5.2",
     "@fortawesome/react-fontawesome": "^0.2.2",
     "@fullcalendar/bootstrap": "^6.1.14",
-    "@fullcalendar/core": "^6.1.14",
+    "@fullcalendar/core": "^6.1.15",
     "@fullcalendar/daygrid": "^6.1.14",
     "@fullcalendar/interaction": "^6.1.14",
     "@fullcalendar/react": "^6.1.14",

Plan/react/dashboard/yarn.lock

@@ -612,10 +612,10 @@
   resolved "https://registry.yarnpkg.com/@fullcalendar/bootstrap/-/bootstrap-6.1.14.tgz#4c9b32c00007ec4bcd46378b4e3e161e413faa7b"
   integrity sha512-5he4tfIf3SeRbgFu3ITxjxrGbfM784kKI9+lFDNSorNdNOuPJFn6VQnG9xvomwozIrPOZG+dB5OxqiBmYX9eaw==
 
-"@fullcalendar/core@^6.1.14":
-  version "6.1.14"
-  resolved "https://registry.yarnpkg.com/@fullcalendar/core/-/core-6.1.14.tgz#75cd70ab28600dec630970e1015e4e7b59cd4a94"
-  integrity sha512-hIPRBevm0aMc2aHy1hRIJgXmI1QTvQM1neQa9oxtuqUmF1+ApYC3oAdwcQMTuI7lHHw3pKJDyJFkKLPPnL6HXA==
+"@fullcalendar/core@^6.1.15":
+  version "6.1.15"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/core/-/core-6.1.15.tgz#6c3f5259fc4589870228853072131219bb533f6e"
+  integrity sha512-BuX7o6ALpLb84cMw1FCB9/cSgF4JbVO894cjJZ6kP74jzbUZNjtwffwRdA+Id8rrLjT30d/7TrkW90k4zbXB5Q==
   dependencies:
     preact "~10.12.1"