Revert edition to 2018 to avoid bumping min rustc version

Merge pull request jamesmcm#119 from jamesmcm/customname

Use hash for custom provider name

Merge pull request jamesmcm#113 from jamesmcm/openvpnfilter

Filter out Windows-specific OpenVPN command

Merge pull request jamesmcm#111 from jamesmcm/fixipv6_openvpn

Fix OpenVPN connections when IPv6 disabled

Merge pull request jamesmcm#108 from jamesmcm/v086

Version bump

Merge pull request jamesmcm#104 from jamesmcm/openvpnbuffer

Increase logfile buffer size for OpenVPN

Update Fedora version in Github action

Bump version

Merge pull request jamesmcm#92 from jamesmcm/natfix

Fix case where NAT rules undone prematurely

Merge pull request jamesmcm#90 from jamesmcm/newissues

Fix NetworkManager config path edge case