pgsql: Disable dump_connstr test on Msys2

Disable dump_connstr test on Msys2

For some reason the dump test with names with high bits set fails on
Msys2 (although not Msys1). Disable the tests for now, so that other
tests can run.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/1638623f34b716cab8e260b11720466223fe2589

Modified Files
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src/bin/pg_dump/t/010_dump_connstr.pl | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)