internal/history: document Go 1.23.5 and 1.22.11 releases

Change-Id: I294b7fc746e6752eb92b70e8f80d7b4c74de3ba0
Reviewed-on: https://go-review.googlesource.com/c/website/+/643195
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>

internal/history/release.go

@@ -13,6 +13,25 @@ import "html/template"
 //
 // The table is sorted by date, breaking ties with newer versions first.
 var Releases = []*Release{
+	{
+		Date: Date{2025, 1, 16}, Version: Version{1, 23, 5},
+		Security: &FixSummary{
+			Packages: []string{"crypto/x509", "net/http"},
+		},
+		Bug: &FixSummary{
+			Components: []template.HTML{"the compiler", "the runtime"},
+			Packages:   []string{"net"},
+		},
+	},
+	{
+		Date: Date{2025, 1, 16}, Version: Version{1, 22, 11},
+		Security: &FixSummary{
+			Packages: []string{"crypto/x509", "net/http"},
+		},
+		Bug: &FixSummary{
+			Components: []template.HTML{"the runtime"},
+		},
+	},
 	{
 		Date: Date{2024, 12, 3}, Version: Version{1, 23, 4},
 		Bug: &FixSummary{