Обсуждение: pgsql: Add needed .gitignore files in back branches.

Add needed .gitignore files in back branches.

v14 and earlier use generated test files, which require being
.gitignore'd to avoid git complaints when testing in-tree.

Security: CVE-2024-10979

Branch
------
REL_13_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/6bccd7b037d09b91ce272c68f43705e2fecd4cca

Modified Files
--------------
src/pl/plperl/expected/.gitignore | 1 +
src/pl/plperl/sql/.gitignore      | 1 +
2 files changed, 2 insertions(+)