Update released date in man page.
-.TH "routinator" "1" "April 34, 2020" "NLnet Labs" "routinator 0.7.0-rc1
+.TH "routinator" "1" "April 23, 2020" "NLnet Labs" "routinator 0.7.0-rc1
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.\" routinator.1 -- RPKI Relying Party software
.\"
