build: upgrade astro-icons to v1.0.0-next + change twitter icon to X

.gitignore

astro.config.mjs

package.json

pnpm-lock.yaml

public/locales/en/common.json

public/locales/fr/common.json

src/components/molecules/Card.astro

src/components/molecules/FeatureArticle.astro

src/components/molecules/PinnedArticleBanner.astro

src/components/organisms/BrowserPreview.astro

src/components/organisms/Community.astro

src/components/organisms/Features.astro

src/components/organisms/Header.astro

src/components/organisms/MainNav.astro

src/components/organisms/OpenSource.astro

src/components/organisms/Sponsors.astro

src/components/templates/GettingStarted.astro

src/components/templates/Home.astro

src/components/templates/Legal.astro

src/env.d.ts