chore(termux-keyring): update @MrAdityaAlok keys

- added `alok@termux.org` as new uid
- removed unused extra encryption key

Signed-off-by: Aditya Alok <dev.aditya.alok@gmail.com>

packages/termux-keyring/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://github.com/termux
 TERMUX_PKG_DESCRIPTION="GPG public keys for the official Termux repositories"
 TERMUX_PKG_LICENSE="Apache-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
-TERMUX_PKG_VERSION=3.3
+TERMUX_PKG_VERSION=3.4
 TERMUX_PKG_SKIP_SRC_EXTRACT=true
 TERMUX_PKG_PLATFORM_INDEPENDENT=true
 TERMUX_PKG_ESSENTIAL=true