chore: bump @mui/material from 5.11.13 to 5.15.6 in /core-sdk-samples/higgs-shop-sample-app#760

dependabot[bot] wants to merge 1 commit intochore/dependabotmParticle/mparticle-web-sample-apps:chore/dependabotfrom

dependabot/npm_and_yarn/core-sdk-samples/higgs-shop-sample-app/chore/dependabot/mui/material-5.15.6mParticle/mparticle-web-sample-apps:dependabot/npm_and_yarn/core-sdk-samples/higgs-shop-sample-app/chore/dependabot/mui/material-5.15.6Copy head branch name to clipboard