Bump @popperjs/core from 2.5.1 to 2.5.2 in /frontend

Bumps [@popperjs/core](https://github.com/popperjs/popper-core) from 2.5.1 to 2.5.2.
- [Release notes](https://github.com/popperjs/popper-core/releases)
- [Commits](https://github.com/popperjs/popper-core/compare/v2.5.1...v2.5.2)

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package-lock.json

@@ -1079,9 +1079,9 @@
             "dev": true
         },
         "@popperjs/core": {
-            "version": "2.5.1",
-            "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.5.1.tgz",
-            "integrity": "sha512-VVOiO4HSzITdcRxUNopcDmI6kE3gNRGq+1Kna1djqx7uCWhaRWpkSl7QxK/i1X3+S5F3dlEQ50qhmBB/JNWubQ=="
+            "version": "2.5.2",
+            "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.5.2.tgz",
+            "integrity": "sha512-tVkIU9JQw5fYPxLQgok/a7I6J1eEZ79svwQGpe2mb3jlVsPADOleefOnQBiS/takK7jQuNeswCUicMH1VWVziA=="
         },
         "@types/chart.js": {
             "version": "2.9.24",

frontend/package.json

@@ -24,7 +24,7 @@
     },
     "dependencies": {
         "@fortawesome/fontawesome-free": "^5.14.0",
-        "@popperjs/core": "^2.5.1",
+        "@popperjs/core": "^2.5.2",
         "bootstrap": "^4.5.2",
         "chart.js": "^2.9.3",
         "icheck-bootstrap": "^3.0.1",