fix(astro): Set default element for Polymorphic components

.changeset/mighty-roses-give.md

@@ -0,0 +1,5 @@
+---
+"@clerk/astro": patch
+---
+
+Fixes an issue where not setting an element in an unstyled component causes a TypeScript error.

packages/astro/src/astro-components/unstyled/SignInButton.astro

@@ -1,7 +1,7 @@
 ---
 import type { HTMLTag, Polymorphic } from 'astro/types'
 import type { SignInProps } from "@clerk/types";
-type Props<Tag extends HTMLTag = HTMLTag> = Polymorphic<SignInProps & { as: Tag; mode?: 'redirect' | 'modal' }>
+type Props<Tag extends HTMLTag = 'button'> = Polymorphic<SignInProps & { as: Tag; mode?: 'redirect' | 'modal' }>
 
 import { generateSafeId } from '@clerk/astro/internal';
 

packages/astro/src/astro-components/unstyled/SignOutButton.astro

@@ -1,7 +1,7 @@
 ---
 import type { HTMLTag, Polymorphic } from 'astro/types'
 import type { SignOutOptions } from '@clerk/types';
-type Props<Tag extends HTMLTag = HTMLTag> = Polymorphic<{ as: Tag; } & SignOutOptions>
+type Props<Tag extends HTMLTag = 'button'> = Polymorphic<{ as: Tag; } & SignOutOptions>
 
 import { generateSafeId } from '@clerk/astro/internal';
 

packages/astro/src/astro-components/unstyled/SignUpButton.astro

@@ -1,7 +1,7 @@
 ---
 import type { HTMLTag, Polymorphic } from 'astro/types'
 import type { SignUpProps } from "@clerk/types";
-type Props<Tag extends HTMLTag = HTMLTag> = Polymorphic<SignUpProps & { as: Tag; mode?: 'redirect' | 'modal' }>
+type Props<Tag extends HTMLTag = 'button'> = Polymorphic<SignUpProps & { as: Tag; mode?: 'redirect' | 'modal' }>
 
 import { generateSafeId } from '@clerk/astro/internal';