cmd/buildlet: build with Go 1.20
One of the ports requires 1.20 and I don't think there's any harm in
upgrading. 1.21 might be tricky if it really breaks Windows 2008,
though, since we'll still have to support it until 1.20 ages out.
Change-Id: I0592a0ec9ea5008f9bd19f7bd0990967df43849b
Reviewed-on: https://go-review.googlesource.com/c/build/+/495937
Reviewed-by: Carlos Amedee <carlos@golang.org>
Run-TryBot: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
diff --git a/cmd/buildlet/Makefile b/cmd/buildlet/Makefile
index 3ed15e4..d265bb5 100644
--- a/cmd/buildlet/Makefile
+++ b/cmd/buildlet/Makefile
@@ -11,7 +11,7 @@
# - upload.linux-amd64: build buildlet for linux-amd64 and upload to prod
# - dev-upload.linux-amd64: build buildlet for linux-amd64 and upload to dev cluster
-GO=go1.19
+GO=go1.20
ALL=\
buildlet.aix-ppc64 \
