pgAdmin 4 commit: Modified 'cryptography' version to less than or equal

Modified 'cryptography' version to less than or equal to 3.0 to fix the
pgAdmin4 launch issue on Windows.

Cryptography's new version may be creating a problem. This is a temporary
fix and will have to investigate the proper fix.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=3b9e8e47eccca50a63f640ff95a7fd32e6be8307

Modified Files
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requirements.txt | 1 +
1 file changed, 1 insertion(+)