fix: upgrade @mui/icons-material from 5.15.20 to 5.15.21

Snyk has created this PR to upgrade @mui/icons-material from 5.15.20 to 5.15.21.

See this package in yarn:
@mui/icons-material

See this project in Snyk:
https://app.snyk.io/org/vertexvis/project/cfa51793-c408-4f56-9f8d-84c0dc2a2290?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -7,7 +7,7 @@
     "@emotion/react": "^11.11.4",
     "@emotion/server": "^11.11.0",
     "@emotion/styled": "^11.11.5",
-    "@mui/icons-material": "^5.15.19",
+    "@mui/icons-material": "^5.15.21",
     "@mui/material": "^5.15.19",
     "@vertexvis/api-client-node": "^0.23.0",
     "@vertexvis/viewer-react": "^0.21.0",

yarn.lock

@@ -508,10 +508,10 @@
   resolved "https://registry.yarnpkg.com/@mui/core-downloads-tracker/-/core-downloads-tracker-5.15.20.tgz#6ede705770797c32f5a4fc0d3002ad0b758d23e8"
   integrity sha512-DoL2ppgldL16utL8nNyj/P12f8mCNdx/Hb/AJnX9rLY4b52hCMIx1kH83pbXQ6uMy6n54M3StmEbvSGoj2OFuA==
 
-"@mui/icons-material@^5.15.19":
-  version "5.15.20"
-  resolved "https://registry.yarnpkg.com/@mui/icons-material/-/icons-material-5.15.20.tgz#dbd45d635d82b034fb10dadb5c258c26e3311618"
-  integrity sha512-oGcKmCuHaYbAAoLN67WKSXtHmEgyWcJToT1uRtmPyxMj9N5uqwc/mRtEnst4Wj/eGr+zYH2FiZQ79v9k7kSk1Q==
+"@mui/icons-material@^5.15.21":
+  version "5.16.4"
+  resolved "https://registry.yarnpkg.com/@mui/icons-material/-/icons-material-5.16.4.tgz#8c7e228c1e178992d89fab47e057222c8209bd7b"
+  integrity sha512-j9/CWctv6TH6Dou2uR2EH7UOgu79CW/YcozxCYVLJ7l03pCsiOlJ5sBArnWJxJ+nGkFwyL/1d1k8JEPMDR125A==
   dependencies:
     "@babel/runtime" "^7.23.9"