internal/history: document Go 1.17.6 and Go 1.16.13

Change-Id: Ib96dbc7a4cf70c0c4e3548baef3a77bfc28fb55f
Reviewed-on: https://go-review.googlesource.com/c/website/+/375974
Run-TryBot: Carlos Amedee <carlos@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
Trust: Carlos Amedee <amedee@google.com>
Run-TryBot: Carlos Amedee <amedee@google.com>
diff --git a/internal/history/release.go b/internal/history/release.go
index 2d4b5c6..e1e6fec 100644
--- a/internal/history/release.go
+++ b/internal/history/release.go
@@ -15,6 +15,16 @@
 // The table is sorted by date, breaking ties with newer versions first.
 var Releases = []*Release{
 	{
+		Date: Date{2022, 1, 6}, Version: Version{1, 17, 6},
+		Components: []template.HTML{"the compiler", "linker", "runtime"},
+		Packages:   []string{"crypto/x509", "net/http", "reflect"},
+	},
+	{
+		Date: Date{2022, 1, 6}, Version: Version{1, 16, 13},
+		Components: []template.HTML{"the compiler", "linker", "runtime"},
+		Packages:   []string{"net/http"},
+	},
+	{
 		Date: Date{2021, 12, 9}, Version: Version{1, 17, 5},
 		CustomSummary: `includes security fixes to the <code>syscall</code> and <code>net/http</code> packages.
 See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.17.5+label%3ACherryPickApproved">Go 1.17.5 milestone</a> on our issue tracker for details.`,