config: regenerate upload config

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

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

Change-Id: If4e619d364dbc8a4b9e5c892b6a09d146e7ccc84
Reviewed-on: https://go-review.googlesource.com/c/telemetry/+/752280
Reviewed-by: Hongxiang Jiang <hxjiang@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: Madeline Kalil <mkalil@google.com>

config/config.json

diff --git a/config/config.json b/config/config.json
index 8459ab2..673b14d 100644
--- a/config/config.json
+++ b/config/config.json
@@ -386,10 +386,12 @@
 		"go1.25.5",
 		"go1.25.6",
 		"go1.25.7",
+		"go1.25.8",
 		"go1.26rc1",
 		"go1.26rc2",
 		"go1.26rc3",
-		"go1.26.0"
+		"go1.26.0",
+		"go1.26.1"
 	],
 	"SampleRate": 1,
 	"Programs": [
@@ -439,10 +441,12 @@
 				"go1.25.5",
 				"go1.25.6",
 				"go1.25.7",
+				"go1.25.8",
 				"go1.26rc1",
 				"go1.26rc2",
 				"go1.26rc3",
-				"go1.26.0"
+				"go1.26.0",
+				"go1.26.1"
 			],
 			"Counters": [
 				{
@@ -504,10 +508,12 @@
 				"go1.25.5",
 				"go1.25.6",
 				"go1.25.7",
+				"go1.25.8",
 				"go1.26rc1",
 				"go1.26rc2",
 				"go1.26rc3",
-				"go1.26.0"
+				"go1.26.0",
+				"go1.26.1"
 			],
 			"Counters": [
 				{