Contribute back our version of the flag of Latvia

[wyattoday]

See commit 147a8a8

Update flag of Latvia to use the correct colors as specified by their legislation:

https://likumi.lv/ta/en/en/id/209092-procedures-for-the-application-of-the-law-on-the-national-flag-of-latvia

"20. The depiction of the national flag of Latvia and the pennant of the national flag of Latvia is polygraphically produced according to the following colour codes - carmine Pantone 201C, white Pantone White."

PANTONE 201 C, https://www.pantone.com/color-finder/201-C
Hex #9D2235

Contribute these changes back here: https://commons.wikimedia.org/wiki/File:Flag_of_Latvia.svg