fix(deps): update rhdh quickstart dependencies (minor) (#1190)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

workspaces/quickstart/.changeset/renovate-1e345fc.md

@@ -0,0 +1,6 @@
+---
+'@red-hat-developer-hub/backstage-plugin-quickstart': patch
+---
+
+Updated dependency `@mui/icons-material` to `5.18.0`.
+Updated dependency `@mui/material` to `5.18.0`.

workspaces/quickstart/packages/app/package.json

@@ -46,9 +46,9 @@
     "@backstage/theme": "^0.6.6",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",
-    "@mui/icons-material": "5.17.1",
-    "@mui/material": "5.17.1",
-    "@red-hat-developer-hub/backstage-plugin-global-header": "1.11.1",
+    "@mui/icons-material": "5.18.0",
+    "@mui/material": "5.18.0",
+    "@red-hat-developer-hub/backstage-plugin-global-header": "1.15.0",
     "@red-hat-developer-hub/backstage-plugin-quickstart": "workspace:^",
     "@red-hat-developer-hub/backstage-plugin-theme": "^0.9.0",
     "react": "^18.0.2",

workspaces/quickstart/plugins/quickstart/package.json

@@ -35,8 +35,8 @@
     "@backstage/core-components": "^0.17.2",
     "@backstage/core-plugin-api": "^1.10.7",
     "@backstage/theme": "^0.6.6",
-    "@mui/icons-material": "5.17.1",
-    "@mui/material": "5.17.1",
+    "@mui/icons-material": "5.18.0",
+    "@mui/material": "5.18.0",
     "@red-hat-developer-hub/backstage-plugin-theme": "^0.9.0",
     "react-use": "^17.2.4"
   },