feat: heatmaps TTL

[pauldambra]

Let's not send an unbounded amount of heatmap data into the clickhouses

• allows setting TTL by day as well as by week
• adds a 90 day TTL to heatmaps table
• reduces the number of date filters available in the heatmap UI (for clickmaps they're already silly to offer)

[github-actions[bot]]

Size Change: +96 B (0%)

Total Size: 1.05 MB

ℹ️ View Unchanged

Filename	Size	Change
frontend/dist/toolbar.js	1.05 MB	+96 B (0%)

_{compressed-size-action}

[pauldambra]

paging @fuziontech

(I think we could do more here to reduce what we store but this is a nice stop-gap)

[posthog-bot]

📸 UI snapshots have been updated

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• chromium: 0 added, 2 modified, 0 deleted (diff for shard 1)
• webkit: 0 added, 0 modified, 0 deleted

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[posthog-bot]

📸 UI snapshots have been updated

2 snapshot changes in total. 0 added, 2 modified, 0 deleted:

• chromium: 0 added, 2 modified, 0 deleted (diff for shard 1)
• webkit: 0 added, 0 modified, 0 deleted

Triggered by this commit.

👉 Review this PR's diff of snapshots.