Fix bug

installer.sh

@@ -5,8 +5,8 @@ set -eu
 install() {
   BINARY_NAME="crib"
   VERSION="v0.0.1-alpha"
+  RUBY_VERSION="3.4"
 
-  if [ -z "$RUBY_VERSION" ]; then
   if ldconfig -p | grep -q libruby.so.3.4; then
     HAVE_34=1
   fi
@@ -36,7 +36,6 @@ install() {
     echo "No compatible Ruby library found need Ruby 3.2 or 3.4."
     exit 1
   fi
-  fi
 
   GITHUB_URL="https://github.com/SyedM-dev/crib/releases/download/$VERSION/crib-linux-x86_64-ruby$RUBY_VERSION"