tooltip for LTS standard maintenance in release cycle chart is swapped with the tooltip for expanded

[mikemccracken]

mouse over the black bar that is labeled standard security maintenance in the legend, and you get a tooltip that has the dates right but describes it as expanded.
similarly the dark aubergine bar has a tooltip that says "standard security maintenance
for ubuntu main: 2020-2030" so again the date is right for the bar but the description is wrong.

this appears to be the case for all the releases in the chart.

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Reported from: https://ubuntu.com/about/release-cycle