This change is because having the standard optional dependencies installed by default was being inconvenient to several users, and having to install instead `fastapi-slim` was not being a feasible solution.

Discussed here: [#11522](https://github.com/fastapi/fastapi/pull/11522) and here: [#11525](https://github.com/fastapi/fastapi/discussions/11525)

### Docs

        *   Dynamic shapes are supported for generators by calling the Model on
            the first batch we "peek" from the generator. This used to happen
            implicitly in `Model._standardize_user_data`. Long-term, a solution
            where the `DataAdapter` doesn't need to call the Model is probably
            preferable.
    *   The SavedModel format now supports all Keras built-in layers (including

g);\n  border-top: var(--#{$prefix}modal-footer-border-width) solid var(--#{$prefix}modal-footer-border-color);\n  @include border-bottom-radius(var(--#{$prefix}modal-inner-border-radius));\n\n  // Place margin between footer elements\n  // This solution is far from ideal because of the universal selector usage,\n  // but is needed to fix https://github.com/twbs/bootstrap/issues/24800\n  > * {\n    margin: calc(var(--#{$prefix}modal-footer-gap) * .5); // Todo in v6: replace with gap on parent class\n...

$modal-inner-padding - $modal-footer-margin-between * .5;\n  border-top: $modal-footer-border-width solid $modal-footer-border-color;\n  @include border-bottom-radius($modal-content-inner-border-radius);\n\n  // Place margin between footer elements\n  // This solution is far from ideal because of the universal selector usage,\n  // but is needed to fix https://github.com/twbs/bootstrap/issues/24800\n  > * {\n    margin: $modal-footer-margin-between * .5;\n  }\n}\n\n// Measure scrollbar width for padding body during...