chore: update min version to 1.21

Noticed this was still needed in GoogleCloudPlatform#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.
codyoss · Sep 18, 2024 · c9f7f2a · c9f7f2a
1 parent 1c61bf9
commit c9f7f2a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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"
 }