Update dependency @fullcalendar/core to v6.1.15

geneit_app/package-lock.json

@@ -1074,9 +1074,10 @@
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     },
     "node_modules/@fullcalendar/core": {
-      "version": "6.1.14",
+      "version": "6.1.15",
-      "resolved": "https://registry.npmjs.org/@fullcalendar/core/-/core-6.1.14.tgz",
+      "resolved": "https://registry.npmjs.org/@fullcalendar/core/-/core-6.1.15.tgz",
-      "integrity": "sha512-hIPRBevm0aMc2aHy1hRIJgXmI1QTvQM1neQa9oxtuqUmF1+ApYC3oAdwcQMTuI7lHHw3pKJDyJFkKLPPnL6HXA==",
+      "integrity": "sha512-BuX7o6ALpLb84cMw1FCB9/cSgF4JbVO894cjJZ6kP74jzbUZNjtwffwRdA+Id8rrLjT30d/7TrkW90k4zbXB5Q==",
+      "license": "MIT",
       "dependencies": {
         "preact": "~10.12.1"
       }