cmd/internal/doc: upgrade godoc pkgsite to 01b046e

Increase the dependency on the doc tool to bring in the fixes to
CL 687918 and CL 687976.

Fixes golang/go#74459

Change-Id: I9cdefdfd9792a142ad14bae3d4f7bb9d8256a246
Reviewed-on: https://go-review.googlesource.com/c/go/+/687997
Reviewed-by: Jonathan Amsterdam <jba@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Matloob <matloob@google.com>

src/cmd/internal/doc/main.go

@@ -243,7 +243,7 @@ func doPkgsite(urlPath string) error {
 		env = append(env, "GOPROXY="+gomodcache+","+goproxy)
 	}
 
-	const version = "v0.0.0-20250608123103-82c52f1754cd"
+	const version = "v0.0.0-20250714212547-01b046e81fe7"
 	cmd := exec.Command(goCmd(), "run", "golang.org/x/pkgsite/cmd/internal/doc@"+version,
 		"-gorepo", buildCtx.GOROOT,
 		"-http", addr,