use build-pass for the test

Author: dingxiangfei2009

src/test/ui/let-else/issue-102317.rs

@@ -1,5 +1,5 @@
 // issue #102317
-// run-pass
+// build-pass
 // compile-flags: --edition 2021 -C opt-level=3 -Zvalidate-mir
 
 struct SegmentJob;