Migrate to @pocka/rollup-plugin-gleam

`vite-gleam` somehow does not trigger HMR for edits to `.gleam` files
not imported from JS files. This is quite inconvenient, especially when
changing module while checking renders on Storybook.

The new plugin has tests for that and other cases as well.

package.json

@@ -2,15 +2,15 @@
 	"private": true,
 	"type": "module",
 	"devDependencies": {
+		"@pocka/rollup-plugin-gleam": "^0.1.0",
 		"@storybook/addon-essentials": "^8.2.8",
 		"@storybook/addon-interactions": "^8.2.8",
 		"@storybook/html": "^8.2.8",
 		"@storybook/html-vite": "^8.2.8",
 		"@storybook/test": "^8.2.8",
 		"@storybook/test-runner": "^0.19.1",
 		"typescript": "^5.5.4",
-		"vite": "^5.3.5",
-		"vite-gleam": "^0.4.3"
+		"vite": "^5.3.5"
 	},
 	"scripts": {
 		"dev": "vite",

vite.config.js

@@ -2,8 +2,8 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
+import { gleam } from "@pocka/rollup-plugin-gleam";
 import { defineConfig } from "vite";
-import gleam from "vite-gleam";
 
 export default defineConfig({
 	root: new URL("./src", import.meta.url).pathname,