fix(web): use named imports from @babel/core

Babel 8 ships as native ESM without a default export, so the
dependabot bump to @babel/core 8.0.1 broke the Vite config load
in both the JS and Go (e2e) workflows. Import the four used
functions as named exports instead.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: fionera

web/build/inline-hooks.js

@@ -1,10 +1,8 @@
 import {readFile, stat} from "node:fs/promises";
 import {dirname, isAbsolute, relative, resolve, sep} from "node:path";
-import babel from "@babel/core";
+import {parseAsync, transformFromAstAsync, traverse, types} from "@babel/core";
 import {searchForWorkspaceRoot} from "vite";
 
-const {parseAsync, transformFromAstAsync, traverse, types} = babel;
-
 const MARKER_TOKEN = "@berghain:inline";
 const SENTINEL = "__BERGHAIN_INLINE_PHASE__";