Fix curl command typo in purge_remote_media.sh

Was verbose option instead of -X, command didn't work

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

changelog.d/5839.bugfix

+The purge_remote_media.sh script was fixed

contrib/purge_api/purge_remote_media.sh

@@ -51,4 +51,4 @@ TOKEN=$(sql "SELECT token FROM access_tokens WHERE user_id='$ADMIN' ORDER BY id
 # finally start pruning media:
 ###############################################################################
 set -x # for debugging the generated string
-curl --header "Authorization: Bearer $TOKEN" -v POST "$API_URL/admin/purge_media_cache/?before_ts=$UNIX_TIMESTAMP"
+curl --header "Authorization: Bearer $TOKEN" -X POST "$API_URL/admin/purge_media_cache/?before_ts=$UNIX_TIMESTAMP"