pgsql: Fix regression test outputs

Fix regression test outputs

75445c1 has caused various failures in tests across the tree after
updating some error messages, so fix the newly-expected output.

Author: Michael Paquier
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/8332.1558048838@sss.pgh.pa.us

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/6ba500cae6f57acf8f392d9e1671640f7c9d43b3

Modified Files
--------------
contrib/citext/expected/citext.out           |  2 +-
contrib/citext/expected/citext_1.out         |  2 +-
src/test/regress/expected/copy2.out          |  6 +++---
src/test/regress/expected/create_table.out   |  4 ++--
src/test/regress/expected/jsonb_jsonpath.out |  2 +-
src/test/regress/expected/jsonpath.out       |  2 +-
src/test/regress/expected/publication.out    |  2 +-
src/test/regress/expected/regex.out          |  2 +-
src/test/regress/expected/strings.out        | 12 ++++++------
src/test/regress/expected/subscription.out   |  4 ++--
src/test/regress/output/copy.source          |  2 +-
11 files changed, 20 insertions(+), 20 deletions(-)