Fix incorrectly placed quote (#511)

Co-authored-by: nnyyxxxx <nnyyxxxx@users.noreply.github.com>

Author: Nyx

tabs/system-setup/fedora/configure-dnf.sh

@@ -5,7 +5,7 @@
 configureDNF() {
     case $PACKAGER in
         dnf)
-            printf "%b\n" ${YELLOW}"Configuring  DNF...${RC}"
+            printf "%b\n" "${YELLOW}Configuring  DNF...${RC}"
             $ESCALATION_TOOL sed -i '/^max_parallel_downloads=/c\max_parallel_downloads=10' /etc/dnf/dnf.conf || echo 'max_parallel_downloads=10' >> /etc/dnf/dnf.conf
             echo "fastestmirror=True" | $ESCALATION_TOOL tee -a /etc/dnf/dnf.conf > /dev/null
             echo "defaultyes=True" | $ESCALATION_TOOL tee -a /etc/dnf/dnf.conf > /dev/null