Install face_recognition on Docker build (#17502)

* Install face_recognition on Docker

* Update setup_docker_prereqs

virtualization/Docker/setup_docker_prereqs

@@ -8,6 +8,7 @@ INSTALL_TELLSTICK="${INSTALL_TELLSTICK:-yes}"
 INSTALL_OPENALPR="${INSTALL_OPENALPR:-yes}"
 INSTALL_LIBCEC="${INSTALL_LIBCEC:-yes}"
 INSTALL_SSOCR="${INSTALL_SSOCR:-yes}"
+INSTALL_DLIB="${INSTALL_DLIB:-yes}"
 
 # Required debian packages for running hass or components
 PACKAGES=(
@@ -62,6 +63,10 @@ if [ "$INSTALL_SSOCR" == "yes" ]; then
   virtualization/Docker/scripts/ssocr
 fi
 
+if [ "$INSTALL_DLIB" == "yes" ]; then
+  pip3 install --no-cache-dir "dlib>=19.5"
+fi
+
 # Remove packages
 apt-get remove -y --purge ${PACKAGES_DEV[@]}
 apt-get -y --purge autoremove