Update action.yml

Author: ntkme

action.yml

@@ -6,7 +6,7 @@ runs:
     - if: runner.os == 'Linux'
       run: |
         if test -d /__e && grep -q '^ID=alpine$' /etc/os-release; then
-          TMPDIR=$(mktemp -dp "$RUNNER_TEMP")
+          TMPDIR=$(mktemp -d)
           apk add --root "$TMPDIR" --repositories-file /etc/apk/repositories --allow-untrusted --no-cache --no-scripts --initdb -- docker-cli
           export PATH="$TMPDIR/usr/bin:$PATH"
           docker run --rm --user 0:0 --volume /:/hostfs --entrypoint /usr/sbin/chroot "$(docker inspect "$(hostname)" --format "{{ .Image }}")" /hostfs /bin/bash -xc \