fix: Properly handled unquoted attributes with numbers and dashes (#35)

Author: Princesseuh

.changeset/fix-unquoted-attribute-values.md

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+---
+"@astrojs/compiler-binding": patch
+"@astrojs/compiler-rs": patch
+---
+
+Fixes `Unexpected token` error when an HTML attribute has an unquoted value such as a number (`<input maxlength=255>`) or contains characters like `-` or `#`.

crates/astro_codegen/tests/fixtures/_33_unquoted_dashed_attribute.astro

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+<div data-id=hello-world data-color=#abc123>x</div>

crates/astro_codegen/tests/fixtures/_33_unquoted_dashed_attribute.snap

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+---
+source: crates/astro_codegen/tests/snapshots.rs
+input_file: crates/astro_codegen/tests/fixtures/_33_unquoted_dashed_attribute.astro
+---
+import { render as $$render, createComponent as $$createComponent, maybeRenderHead as $$maybeRenderHead, createMetadata as $$createMetadata } from "http://localhost:3000/";
+export const $$metadata = $$createMetadata(import.meta.url, {
+	modules: [],
+	hydratedComponents: [],
+	clientOnlyComponents: [],
+	hydrationDirectives: new Set([]),
+	hoisted: []
+});
+const $$Component = $$createComponent(($$result, $$props, $$slots) => {
+	return $$render`${$$maybeRenderHead($$result)}<div data-id="hello-world" data-color="#abc123">x</div>`;
+}, undefined, undefined);
+export default $$Component;

crates/astro_codegen/tests/fixtures/_33_unquoted_numeric_attribute.astro

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+<input type="text" minlength=4 maxlength=255 />

crates/astro_codegen/tests/fixtures/_33_unquoted_numeric_attribute.snap

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+---
+source: crates/astro_codegen/tests/snapshots.rs
+input_file: crates/astro_codegen/tests/fixtures/_33_unquoted_numeric_attribute.astro
+---
+import { render as $$render, createComponent as $$createComponent, maybeRenderHead as $$maybeRenderHead, createMetadata as $$createMetadata } from "http://localhost:3000/";
+export const $$metadata = $$createMetadata(import.meta.url, {
+	modules: [],
+	hydratedComponents: [],
+	clientOnlyComponents: [],
+	hydrationDirectives: new Set([]),
+	hoisted: []
+});
+const $$Component = $$createComponent(($$result, $$props, $$slots) => {
+	return $$render`${$$maybeRenderHead($$result)}<input type="text" minlength="4" maxlength="255">`;
+}, undefined, undefined);
+export default $$Component;