[lld] [lld][ELF][test] Fix compressed-debug-level.test (PR #93264)

[Fangrui Song via llvm-commits]

================
@@ -18,7 +18,7 @@
 # RUN: llvm-readelf --sections %t.6 | FileCheck -check-prefixes=HEADER,LEVEL6 %s
 
 # HEADER: [Nr] Name        Type     Address  Off    Size
-# LEVEL1: [ 1] .debug_info PROGBITS 00000000 000094 00001{{[def]}}
+# LEVEL1: [ 1] .debug_info PROGBITS 00000000 000094 0000{{[12]}}{{[def1]}}
----------------
MaskRay wrote:

`{{1[def]|21}}` ?

https://github.com/llvm/llvm-project/pull/93264