docs(readme): fix broken badges

README.md

@@ -1,7 +1,7 @@
 # HTML graphics
 
-[![Marketplace](https://img.shields.io/badge/dynamic/json?logo=grafana&color=F47A20&label=marketplace&prefix=v&query=%24.items%5B%3F%28%40.slug%20%3D%3D%20%22gapit-htmlgraphics-panel%22%29%5D.version&url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins)](https://grafana.com/grafana/plugins/gapit-htmlgraphics-panel)
-[![Downloads](https://img.shields.io/badge/dynamic/json?logo=grafana&color=F47A20&label=downloads&query=%24.items%5B%3F%28%40.slug%20%3D%3D%20%22gapit-htmlgraphics-panel%22%29%5D.downloads&url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins)](https://grafana.com/grafana/plugins/gapit-htmlgraphics-panel)
+[![Marketplace](https://img.shields.io/badge/dynamic/json?logo=grafana&color=F47A20&label=marketplace&prefix=v&query=%24.version&url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins%2Fgapit-htmlgraphics-panel)](https://grafana.com/grafana/plugins/gapit-htmlgraphics-panel)
+[![Downloads](https://img.shields.io/badge/dynamic/json?logo=grafana&color=F47A20&label=downloads&query=%24.downloads&url=https%3A%2F%2Fgrafana.com%2Fapi%2Fplugins%2Fgapit-htmlgraphics-panel)](https://grafana.com/grafana/plugins/gapit-htmlgraphics-panel)
 
 [![GitHub release (latest by date)](https://img.shields.io/github/v/release/gapitio/gapit-htmlgraphics-panel?color=brightgreen&logo=github&label=latest)](https://github.com/gapitio/gapit-htmlgraphics-panel)
 [![GitHub all releases](https://img.shields.io/github/downloads/gapitio/gapit-htmlgraphics-panel/total?logo=github)](https://github.com/gapitio/gapit-htmlgraphics-panel)