www-client/brave-bin: add 1.70.117, drop 1.69.168

[irort]

fix #5266

[github-actions[bot]]

:x: pkgcheck checks failed

• pkgcheck 0.10.30
• the corresponding ::gentoo commit: https://github.com/gentoo-mirror/gentoo/commit/7c8ce3b72ac8e57b98efe5400db5e789e958bca3

QA Results:

``` www-client/brave-bin NonsolvableDepsInDev: version 1.70.117: nonsolvable depset(rdepend) keyword(amd64) dev profile (default/linux/amd64/23.0/musl) (8 total): solutions: [ sys-libs/glibc ] ```

:mag: QA Keywords Explanation