internal/history: document Go 1.22.3 and 1.21.10 releases

Change-Id: I2896372623027eceb1edfd9fea0cc8241295dff0
Reviewed-on: https://go-review.googlesource.com/c/website/+/583777
Reviewed-by: David Chase <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: cherrymui

internal/history/release.go

@@ -14,6 +14,26 @@ import "html/template"
 //
 // The table is sorted by date, breaking ties with newer versions first.
 var Releases = []*Release{
+	{
+		Date: Date{2024, 5, 7}, Version: Version{1, 22, 3},
+		Security: &FixSummary{
+			Components: []template.HTML{"the <code>go</code> command"},
+			Packages:   []string{"net"},
+		},
+		Bug: &FixSummary{
+			Components: []template.HTML{"the compiler", "the runtime"},
+			Packages:   []string{"net/http"},
+		},
+	},
+	{
+		Date: Date{2024, 5, 7}, Version: Version{1, 21, 10},
+		Security: &FixSummary{
+			Components: []template.HTML{"the <code>go</code> command"},
+		},
+		Bug: &FixSummary{
+			Packages: []string{"net/http"},
+		},
+	},
 	{
 		Date: Date{2024, 4, 3}, Version: Version{1, 22, 2},
 		Security: &FixSummary{Quantifier: "a", Packages: []string{"net/http"}},