apt: make trusted.gpg a conffiles so that apt-key added keys are preserved

packages/apt/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://packages.debian.org/apt
 TERMUX_PKG_DESCRIPTION="Front-end for the dpkg package manager"
 TERMUX_PKG_DEPENDS="libcurl, liblzma, dpkg, gpgv, libc++, termux-exec"
 TERMUX_PKG_VERSION=1.4.8
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SHA256=767ad7d6efb64cde52faececb7d3c0bf49800b9fe06f3a5b0132ab4c01a5b8f8
 TERMUX_PKG_SRCURL=http://ftp.debian.org/debian/pool/main/a/apt/apt_${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
@@ -14,7 +14,7 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 -DWITH_DOC=OFF
 "
 TERMUX_PKG_ESSENTIAL=yes
-TERMUX_PKG_CONFFILES="etc/apt/sources.list"
+TERMUX_PKG_CONFFILES="etc/apt/sources.list etc/apt/trusted.gpg"
 TERMUX_PKG_CONFLICTS=apt-transport-https
 TERMUX_PKG_REPLACES=apt-transport-https
 TERMUX_PKG_RM_AFTER_INSTALL="