Fix extra slash when adding integrations that ends with /astro

[mhdcodes]

Changes

This PR fixes a bug in toIdent funtion used by astro add to convert an arbitrary NPM package name into a JS identifier.
see #4808

Testing

Docs

[changeset-bot]

🦋 Changeset detected

Latest commit: 5fc5be9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 16 packages

Name	Type
astro	Patch
@e2e/astro-component	Patch
@e2e/error-cyclic	Patch
@e2e/error-react-spectrum	Patch
@e2e/error-sass	Patch
@e2e/errors	Patch
@e2e/hydration-race	Patch
@e2e/lit-component	Patch
@e2e/preact-component	Patch
@e2e/react-component	Patch
@e2e/solid-component	Patch
@e2e/solid-recurse	Patch
@e2e/svelte-component	Patch
@e2e/e2e-tailwindcss	Patch
@e2e/ts-resolution	Patch
@e2e/third-party-astro	Patch

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[mhdcodes]

closes #4808

[matthewp]

Thanks @mohammed-elhaouari can you add a changeset? Run pnpm changeset and go through the instructions. Thanks!

[mhdcodes]

hey @matthewp I'm not sure though, that this fix will not introduce regressions.

[matthewp]

Let's trusts the tests 🙏

[mhdcodes]

@matthewp test are green. 🚀