Sync GB RC

Author: ellatrix

package.json

@@ -7,7 +7,7 @@
 		"url": "https://develop.svn.wordpress.org/trunk"
 	},
 	"gutenberg": {
-		"ref": "810847b084506daf342b63b6c8f1966a36c02772"
+		"ref": "34c97f62028f28ee36869eee7e056cb3f90484a4"
 	},
 	"engines": {
 		"node": ">=20.10.0",

tools/gutenberg/copy-gutenberg-build.js

@@ -892,7 +892,7 @@ async function main() {
 
 	// Transform function to remove source map comments from all JS files
 	const removeSourceMaps = ( content ) => {
-		return content.replace( /\/\/# sourceMappingURL=.*$/m, '' ).trimEnd();
+		return content.replace( /\/\/# sourceMappingURL=.*$/gm, '' ).trimEnd();
 	};
 
 	if ( fs.existsSync( scriptsSrc ) ) {