gpgme: update signing keys

Looks like the last release was re-signed with a newer key.
Sync the valid keys list while at it.

gpgme/PKGBUILD

@@ -3,7 +3,7 @@
 pkgbase=gpgme
 pkgname=('libgpgme' 'libgpgme-devel' 'libgpgme-python')
 pkgver=1.18.0
-pkgrel=2
+pkgrel=3
 pkgdesc="A C wrapper library for GnuPG"
 arch=('i686' 'x86_64')
 url="https://gnupg.org/related_software/gpgme/"
@@ -19,10 +19,9 @@ sha256sums=('361d4eae47ce925dba0ea569af40e7b52c645c4ae2e65e5621bf1b6cdd8b0e9e'
             'e2aa6413a8dbe048d95dd190d9bcdd091e70f31052711dd2ad35b6a0a44a5f74'
             '1315ffae572459bda3c6dac90019ac2221b263f7aecbbb700b4de3966c036c98')
 #These might be signed by any of these keys https://gnupg.org/signature_key.html
-validpgpkeys=('D8692123C4065DEA5E0F3AB5249B39D24F25E3B6'
-              '031EC2536E580D8EA286A9F22071B08A33BD3F06'
-              '5B80C5754298F0CB55D8ED6ABCEF7E294B092E28'
-              '6DAA6E64A76D2840571B4902528897B826403ADA')
+validpgpkeys=('5B80C5754298F0CB55D8ED6ABCEF7E294B092E28'
+              '6DAA6E64A76D2840571B4902528897B826403ADA'
+              'AC8E115BF73E2D8D47FA9908E98E9B2D19C6C8BD')
 
 prepare() {
   cd ${srcdir}/${pkgbase}-${pkgver}