Chart color added (#1756)

### WHAT is this pull request doing?
Adds a chart color. 

### HOW can this pull request be tested?
On a queue - see the color of "Dedup" in the Rates chart

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Co-authored-by: Robin Wallin <[email protected]>

Author: bengtmagnus

static/js/chart.js

@@ -12,7 +12,7 @@ Chart.register(Title)
 Chart.register(Filler)
 
 const chartColors = ['#54be7e', '#4589ff', '#d12771', '#d2a106', '#08bdba', '#bae6ff', '#ba4e00',
-  '#d4bbff', '#8a3ffc', '#33b1ff', '#007d79']
+  '#d4bbff', '#8a3ffc', '#33b1ff', '#007d79', '#770f1c']
 
 const POLLING_RATE = 5000
 const X_AXIS_LENGTH = 600000 // 10 min