Update golang.org/x/text to v0.19.0

Support configurable template parsers (#317)

Restore v1 readme

Add deprecation message to README

use Codecov token

Fix Localize regression with empty default message (#305)

Behavior has changed with #189. Before that, an empty default message returned nil and an error, now it returns "" without error.

This has been detected by mattermost test suit in mattermost/mattermost#21327 which tries to switch all code base to go-i18n v2, see [related discussion](https://github.com/mattermost/mattermost/pull/21327/files#r1365634307)

Upgrade to Go 1.19.3 (#288)

Upgrade dependencies (#268)

fix escape sequences when extracting string literals (#244)

Do not encode HTML entities in JSON message files (#228)