feat(input): ajout de event patternValueChange

CHANGELOG.md

...mponents/src/lib/forms/form-input/base-input.component.ts

.../lib/forms/form-input/demo/demo-input-date.component.html

...rc/lib/forms/form-input/demo/demo-input-date.component.ts

...b/forms/form-input/demo/demo-input-pattern.component.html

...lib/forms/form-input/demo/demo-input-pattern.component.ts

...c/lib/forms/form-input/demo/demo-input-pattern.stories.ts

.../forms/form-input/demo/demo-input-reactive.component.html

...ib/forms/form-input/demo/demo-input-reactive.component.ts

.../lib/forms/form-input/demo/demo-input-reactive.stories.ts

...onents/src/lib/forms/form-input/form-input.component.html

...x-dsfr-components/src/lib/forms/form-input/form-input.mdx

...components/src/lib/forms/form-input/form-input.stories.ts