config: regenerate upload config

This is an automated CL which updates the generated upload config.

[git-generate]
go generate ./internal/configgen

Change-Id: If2b516946274cc3e15ab60f4280efb144e010797
Reviewed-on: https://go-review.googlesource.com/c/telemetry/+/731900
Reviewed-by: Madeline Kalil <mkalil@google.com>
Reviewed-by: Hongxiang Jiang <hxjiang@golang.org>
Auto-Submit: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

config/config.json

diff --git a/config/config.json b/config/config.json
index 29174ed..0fb390b 100644
--- a/config/config.json
+++ b/config/config.json
@@ -514,10 +514,11 @@
 				"v1.25.0",
 				"v1.25.1",
 				"v1.25.2",
-				"v1.25.3",
-				"v1.25.4",
 				"v1.26.0",
-				"v1.26.1"
+				"v1.26.1",
+				"v1.26.2",
+				"v1.27.0",
+				"v1.27.1"
 			],
 			"Stacks": [
 				{