website: _github-action-durations.mdx update

Author: ilg-ul

website/docs/maintainer-info/_github-actions-durations.mdx

@@ -7,5 +7,5 @@ The full builds take about 22 hours:
 - `darwin-arm64`: 3h22m (m1)
 - `linux-x64`: 3h40m (amd)
 - `win32-x64`: 3h45m (amd)
-- `linux-arm64`: 21h56 (rpi4)
-- `linux-arm`: 20h32 (rpi4)
+- `linux-arm64`: 21h47m (rpi4)
+- `linux-arm`: 20h38m (rpi4)