ci: fix curl command again

Author: G4Vi

install.sh

@@ -5,7 +5,7 @@ if [[ -z "${GITHUB_TOKEN}" ]]; then
   GITHUB_FLAGS=""
 else
   echo "Token was passed in"
-  GITHUB_FLAGS='--header Authorization: Bearer '"$GITHUB_TOKEN"' --header X-GitHub-Api-Version: 2022-11-28'
+  GITHUB_FLAGS='--header "Authorization: Bearer '"$GITHUB_TOKEN"'" --header "X-GitHub-Api-Version: 2022-11-28"'
 fi
 
 set -eou pipefail