Initial migration to Svelte5 via full syntax compatability

- updated all dependencies
- removed svelte-chartjs wrapper from dependencies
- sveltestrap causes compilation warnings (once)
- Header.svelte uses new Svelte5 syntax as example
- fixed most initial compilation warnings except circular dependencies with TBD cause

web/frontend/src/systems/nodelist/NodeListRow.svelte

@@ -155,7 +155,7 @@
               height={175}
               forNode
             />
-          <div class="my-2"/>
+          <div class="my-2"></div>
           {#key extendedLegendData}
             <MetricPlot
               {cluster}