FreeBSD/ports 17c719e (r507096)net/py-pypcap distinfo Makefile

Update to 1.2.3

Changes:        https://github.com/pynetwork/pypcap/releases
                https://github.com/pynetwork/pypcap/blob/master/Changelog.md
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+3-3net/py-pypcap/distinfo
+1-2net/py-pypcap/Makefile
+4-52 files

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