Add Debain dependency libcap2 needed for FTL's capability check on startup

Signed-off-by: DL6ER <dl6er@dl6er.de>

automated install/basic-install.sh

@@ -221,7 +221,7 @@ if is_command apt-get ; then
     # These programs are stored in an array so they can be looped through later
     INSTALLER_DEPS=(apt-utils dialog debconf dhcpcd5 git ${iproute_pkg} whiptail)
     # Pi-hole itself has several dependencies that also need to be installed
-    PIHOLE_DEPS=(bc cron curl dnsutils iputils-ping lsof netcat psmisc sudo unzip wget idn2 sqlite3 libcap2-bin dns-root-data resolvconf)
+    PIHOLE_DEPS=(bc cron curl dnsutils iputils-ping lsof netcat psmisc sudo unzip wget idn2 sqlite3 libcap2-bin dns-root-data resolvconf libcap2)
     # The Web dashboard has some that also need to be installed
     # It's useful to separate the two since our repos are also setup as "Core" code and "Web" code
     PIHOLE_WEB_DEPS=(lighttpd ${phpVer}-common ${phpVer}-cgi ${phpVer}-${phpSqlite})