Merge commit '8b9803425e63e1b1801f8d5d676e96368d706722'

docs/content/en/methods/site/Lastmod.md

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+---
+title: Lastmod
+description: Returns the last modification date of site content.
+categories: []
+keywords: []
+action:
+  related: []
+  returnType: time.Time
+  signatures: [SITE.Lastmod]
+---
+
+{{< new-in 0.123.0 >}}
+
+The `Lastmod` method on a `Site` object returns a [`time.Time`] value. Use this with time [functions] and [methods]. For example:
+
+```go-html-template
+{{ .Site.Lastmod | time.Format ":date_long" }} → January 31, 2024
+
+```
+
+[`time.Time`]: https://pkg.go.dev/time#Time
+[functions]: /functions/time/
+[methods]: /methods/time/