linux-purism-librem5: upgrade to 6.2.1 (MR 3916) (MR 4001)

Signed-off-by: Alistair Francis <alistair@alistair23.me>
[ci:skip-build]: already built successfully in CI
(cherry picked from commit 597eefcf)

device/main/linux-purism-librem5/APKBUILD

@@ -3,7 +3,7 @@
 # Co-Maintainer: Alistair Francis <alistair@alistair23.me>
 # Co-Maintainer: Newbyte <newbyte@postmarketos.org>
 pkgname=linux-purism-librem5
-pkgver=6.2.0
+pkgver=6.2.1
 pkgrel=0
 # NOTE: Don't forget to rebase the config! See prepare() for instructions.
 _purismrel=1
@@ -83,6 +83,6 @@ package() {
 }
 
 sha512sums="
-73d4383e42f32256e49b2512a16f2fe430e875e7b7711b065484fad58b64ec4a042fc48d622b2aa43a3623586efb3fadb481eb4368110d6ce396688def9bc7a3  linux-purism-librem5-6.2.0pureos1.tar.gz
+6260775c67c51934811a70dda2998ef73b62ae9a2e22ee9439251f94ba87bad523cd94369c4500f6e8fddd435022565d19d9c101d7a656f0a00d94df03e191fb  linux-purism-librem5-6.2.1pureos1.tar.gz
 7580f134cf83d16fc805d39ab10f2c8de54eba0647b810488a12d8d3e064e70e46ee58752a2fe6d87172ee29ea94d51f95954448185b4af3e382ff4d534b1516  config-purism-librem5.aarch64
 "