fixes

• Check the correct error when parsing Proxy URI's (28a8c77)
• Fix a typo (c168591) (thanks @benichmt1 via #96)

other

• Bump go version used for release builds to 1.15.10 (6697b99)
• Bump dependencies to use chromedp 0.7.2, fixing #101 (d503334)

72dcadc450a02e931ab9143ef23f9ddba8a6d9cd  gowitness-2.3.5-darwin-amd64
71052ed766b0155c7331c155e7cbed213776c3a8  gowitness-2.3.5-linux-amd64
5446ad08a709d4462269776af78578410616929d  gowitness-2.3.5-windows-amd64.exe