Fix jq handling on Windows

Fix regression introduced in unreleased 400052b460.

main.sh

@@ -604,7 +604,9 @@ case "${host_os}" in
     if ! type -P curl >/dev/null; then
       warn "install-action requires at least curl on Windows"
     fi
-    if type -P jq >/dev/null; then
+    if [[ -f "${install_action_dir}/jq/bin/jq.exe" ]]; then
+      jq() { "${install_action_dir}/jq/bin/jq.exe" -b "$@"; }
+    elif type -P jq >/dev/null; then
       # https://github.com/jqlang/jq/issues/1854
       _tmp=$(jq -r .a <<<'{}')
       if [[ "${_tmp}" != "null" ]]; then
@@ -614,6 +616,7 @@ case "${host_os}" in
         else
           jq() { command jq "$@" | tr -d '\r'; }
         fi
+      fi
     else
       printf '::group::Install packages required for installation (jq)\n'
       mkdir -p -- "${install_action_dir}/jq/bin"
@@ -627,7 +630,6 @@ case "${host_os}" in
       printf '::endgroup::\n'
       jq() { "${install_action_dir}/jq/bin/jq.exe" -b "$@"; }
     fi
-    fi
     ;;
   *) bail "unsupported host OS '${host_os}'" ;;
 esac