fix: conditionally update stable tag based on version type

Author: imantsk

scripts/version.ts

@@ -15,8 +15,10 @@ replaceInFile(
 		.replace(/(?<prefix>'CODE_SNIPPETS_VERSION',\s+)'[\w-.]+'/, `$1'${plugin.version}'`)
 )
 
-replaceInFile(
-	'src/readme.txt',
-	contents => contents
-		.replace(/(?<prefix>Stable tag:\s+|@version\s+)\d+\.\d+[\w-.]+$/mg, `$1${plugin.version}`)
-)
+if (!/beta/i.test(plugin.version)) {
+	replaceInFile(
+		'src/readme.txt',
+		contents => contents
+			.replace(/(?<prefix>Stable tag:\s+|@version\s+)\d+\.\d+[\w-.]+$/mg, `$1${plugin.version}`)
+	)
+}