Test tidscan,sql is not immune to autovacuum in v14

Applying: Attempt to stabilize self-join test in tidscan.sql
Using index info to reconstruct a base tree...
M	src/test/regress/expected/tidscan.out
M	src/test/regress/sql/tidscan.sql
Falling back to patching base and 3-way merge...
Auto-merging src/test/regress/sql/tidscan.sql
CONFLICT (content): Merge conflict in src/test/regress/sql/tidscan.sql
Auto-merging src/test/regress/expected/tidscan.out
CONFLICT (content): Merge conflict in src/test/regress/expected/tidscan.out
Patch failed at 0001 Attempt to stabilize self-join test in tidscan.sql

error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"