From c9f7f2a297ae60fe84bf52fb259f5e615bcea833 Mon Sep 17 00:00:00 2001
From: Cody Oss <codyoss@google.com>
Date: Wed, 18 Sep 2024 09:15:13 -0500
Subject: [PATCH] chore: update min version to 1.21

Noticed this was still needed in #4383. Note we should also switch
latest to 1.23, but I did not in this PR because the image has not
been built yet.
---
 testing/kokoro/earliest-version.cfg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testing/kokoro/earliest-version.cfg b/testing/kokoro/earliest-version.cfg
index 1a75110521..2ec3174cf8 100644
--- a/testing/kokoro/earliest-version.cfg
+++ b/testing/kokoro/earliest-version.cfg
@@ -3,5 +3,5 @@
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/golang-samples-tests/go120"
+    value: "gcr.io/golang-samples-tests/go121"
 }