Upgrade assets-webpack-plugin to ^7.1, leverage integrity calculations to assets-webpack-plugin and webpack-subresource-integrity #1341
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Proposal for #969, but the PR is not ready yet:
assets-webpack-pluginadd integrity hashes to theentrypoints.jsonis different that our actual format, it's a breaking change (that will impact Encore and WebpackEncoreBundle users), but maybe it can be avoided withprocessOutput