Replace 'rm1' with 'symlink' in ignore list (#10804)

Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>

Author: ChrisDryden

.github/workflows/ignore-intermittent.txt

@@ -1,7 +1,7 @@
 tests/tail/inotify-dir-recreate
 tests/tail/overlay-headers
 tests/timeout/timeout
-tests/rm/rm1
+tests/tail/symlink
 tests/shuf/shuf-reservoir
 tests/sort/sort-stale-thread-mem
 tests/tty/tty-eof