scripts/api-extractor: allow docs build to be run for individual packages

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

scripts/api-extractor.ts

@@ -821,9 +821,9 @@ async function main() {
   const selectedPackageDirs = await findSpecificPackageDirs(
     process.argv.slice(2).filter(arg => !arg.startsWith('--')),
   );
-  if (selectedPackageDirs && (isCiBuild || isDocsBuild)) {
+  if (selectedPackageDirs && isCiBuild) {
     throw new Error(
-      'Package path arguments are not supported for the --ci and --docs flags',
+      'Package path arguments are not supported together with the --ci flag',
     );
   }
   if (!selectedPackageDirs && !isCiBuild && !isDocsBuild) {