Update dependency @mui/material to v5.15.19 (#235)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@mui/material](https://mui.com/material-ui/)
([source](https://togithub.com/mui/material-ui/tree/HEAD/packages/mui-material))
| [`5.15.18` ->
`5.15.19`](https://renovatebot.com/diffs/npm/@mui%2fmaterial/5.15.18/5.15.19)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/@mui%2fmaterial/5.15.19?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
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|
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|

---

### Release Notes

<details>
<summary>mui/material-ui (@&#8203;mui/material)</summary>

###
[`v5.15.19`](https://togithub.com/mui/material-ui/compare/v5.15.18...v5.15.19)

[Compare
Source](https://togithub.com/mui/material-ui/compare/v5.15.18...v5.15.19)

</details>

---

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package.json

@@ -13,7 +13,7 @@
     "@emotion/styled": "11.11.5",
     "@matejmazur/react-katex": "3.1.3",
     "@mui/lab": "5.0.0-alpha.170",
-    "@mui/material": "5.15.18",
+    "@mui/material": "5.15.19",
     "katex": "0.16.10",
     "mathjs": "12.4.3",
     "nerdamer": "1.1.13",

yarn.lock

@@ -2570,10 +2570,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@mui/core-downloads-tracker@npm:^5.15.18":
-  version: 5.15.18
-  resolution: "@mui/core-downloads-tracker@npm:5.15.18"
-  checksum: 10c0/7899df3ce5192f2b876b8e5e645b03701512b9edaf386be07aa81d0d940404fa966776ef3e5e7654f312949f669db60438b864e14f7cece3eec7b5979a7349aa
+"@mui/core-downloads-tracker@npm:^5.15.19":
+  version: 5.15.19
+  resolution: "@mui/core-downloads-tracker@npm:5.15.19"
+  checksum: 10c0/90cd3eb95399326f60140618b43c91de133a7192fd122c379278e30e09b921a6109786189b1a78e45b3b6ef6104d0f0e2f29209e48f64c978ec28ef91c5bce2b
   languageName: node
   linkType: hard
 
@@ -2606,13 +2606,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@mui/material@npm:5.15.18":
-  version: 5.15.18
-  resolution: "@mui/material@npm:5.15.18"
+"@mui/material@npm:5.15.19":
+  version: 5.15.19
+  resolution: "@mui/material@npm:5.15.19"
   dependencies:
     "@babel/runtime": "npm:^7.23.9"
     "@mui/base": "npm:5.0.0-beta.40"
-    "@mui/core-downloads-tracker": "npm:^5.15.18"
+    "@mui/core-downloads-tracker": "npm:^5.15.19"
     "@mui/system": "npm:^5.15.15"
     "@mui/types": "npm:^7.2.14"
     "@mui/utils": "npm:^5.15.14"
@@ -2635,7 +2635,7 @@ __metadata:
       optional: true
     "@types/react":
       optional: true
-  checksum: 10c0/0ae6ec5cb806b8095f16c542be5e0ae059e5e4adccf1cc463865acd0429b7c9b8fc12ce56c12a15ac787f29c173d118ff06af56e1e4c46a040212cd7d203c15d
+  checksum: 10c0/388eb14bedea7453dde7e5cbdcf9e51bec20567978d9405aa4affb9df69d25c9696427820ebff927215a8e8cd79a873ce9ac4207989a1c6b859d26394031382e
   languageName: node
   linkType: hard
 
@@ -6072,7 +6072,7 @@ __metadata:
     "@emotion/styled": "npm:11.11.5"
     "@matejmazur/react-katex": "npm:3.1.3"
     "@mui/lab": "npm:5.0.0-alpha.170"
-    "@mui/material": "npm:5.15.18"
+    "@mui/material": "npm:5.15.19"
     "@testing-library/jest-dom": "npm:6.4.5"
     "@testing-library/react": "npm:15.0.7"
     "@testing-library/user-event": "npm:14.5.2"