cmd/internal/doc: update dependencies

go get golang.org/x/pkgsite@latest
go mod tidy

The latest version of x/pkgsite is currently v0.1.0

For golang/go#79846

Change-Id: Ib9191a19caa042f15c1719f56c3c21ad4933f5e6
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/787520
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
kokoro-CI: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/cmd/internal/doc/go.mod b/cmd/internal/doc/go.mod
index ef3d38c..39f1690 100644
--- a/cmd/internal/doc/go.mod
+++ b/cmd/internal/doc/go.mod
@@ -2,7 +2,7 @@
 
 go 1.25.5
 
-require golang.org/x/pkgsite v0.0.0-20260508181623-fba4ec18b174
+require golang.org/x/pkgsite v0.1.0
 
 require (
 	github.com/google/licensecheck v0.3.1 // indirect
diff --git a/cmd/internal/doc/go.sum b/cmd/internal/doc/go.sum
index c9b242c..83d9a37 100644
--- a/cmd/internal/doc/go.sum
+++ b/cmd/internal/doc/go.sum
@@ -10,8 +10,8 @@
 golang.org/x/mod v0.36.0/go.mod h1:moc6ELqsWcOw5Ef3xVprK5ul/MvtVvkIXLziUOICjUQ=
 golang.org/x/net v0.54.1-0.20260508232935-23ee2efe81a3 h1:SEUCiQDDCw8MIr+DO8q2wjNKQORemH/a+UX8onOy1HQ=
 golang.org/x/net v0.54.1-0.20260508232935-23ee2efe81a3/go.mod h1:Sj4oj8jK6XmHpBZU/zWHw3BV3abl4Kvi+Ut7cQcY+cQ=
-golang.org/x/pkgsite v0.0.0-20260508181623-fba4ec18b174 h1:/VK4ZPdTahbGn9gwt6ETWv3tTiAtbf7EwvauG8w3M+U=
-golang.org/x/pkgsite v0.0.0-20260508181623-fba4ec18b174/go.mod h1:MUMgpCqEBK7tjfx3r9rk0HpaxGIN2PtyYPXm8h3dcaY=
+golang.org/x/pkgsite v0.1.0 h1:g13eQ/E+fT3bqiB7s+Zmqdm6Qla9VT564D6DaF2hE5A=
+golang.org/x/pkgsite v0.1.0/go.mod h1:mJh9O1/Eyi5Dq+Rk0/5CmkqikGqHRQne8Ui5nZF2878=
 golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
 golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=