pgsql: meson: Add two missing regress tests

meson: Add two missing regress tests

It's likely worth adding some automated way of preventing further
omissions. We're discussing how to best do that.

Reported-by: Justin Pryzby <pryzby@telsasoft.com>
Discussion: /messages/by-id/20230117173509.GV9837@telsasoft.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/27da598961ce443e9010c19085d17dc2b6a04d56

Modified Files
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contrib/pg_stat_statements/meson.build | 1 +
src/test/modules/unsafe_tests/meson.build | 1 +
2 files changed, 2 insertions(+)