Fix script logic to only continue on y, Y, or Enter - reject all other input

Co-authored-by: waldekmastykarz <[email protected]>

Author: Copilot

scripts/setup-beta.sh

@@ -27,7 +27,7 @@ else
     response='y'
 fi
 
-if [[ "$response" = [nN] ]]; then
+if [[ "$response" != "" && "$response" != [yY] ]]; then
     echo -e "\nExiting"
     exit 1
 fi

scripts/setup.sh

@@ -26,7 +26,7 @@ else
     response='y'
 fi
 
-if [[ "$response" = [nN] ]]; then
+if [[ "$response" != "" && "$response" != [yY] ]]; then
     echo -e "\nExiting"
     exit 1
 fi