Update some flags

Updated:

• /data/flags/lesotho.png
• /data/flags/liechtenstein.png
• /data/flags/tokelau.png
• /data/flags/iraq.png
• /data/flags/svg/liechtenstein.svgz
• /data/flags/svg/lesotho.svgz
• /data/flags/svg/tokelau.svgz
• /data/flags/svg/iraq.svgz

Lesotho's flag was officially changed in 2006 Tokelau's flag was officially changed in 2007 Iraq's flag was officially changed in 2008 Liechtenstein's flag was officially had a weird color Flags' source: https://flagpedia.net (public domain)

I noticed some flags also have weird colors and seem a bit old. Maybe we should replace all of them? Even as monitors grew larger, maybe we should increase the resolution of the flags.