dev: when cross-building, use -c opt

This enables optimizations which you probably want for a cross-build.

Epic: CRDB-17171
Release note: None

Author: rickystewart

dev

@@ -8,7 +8,7 @@ fi
 set -euo pipefail
 
 # Bump this counter to force rebuilding `dev` on all machines.
-DEV_VERSION=80
+DEV_VERSION=81
 
 THIS_DIR=$(cd "$(dirname "$0")" && pwd)
 BINARY_DIR=$THIS_DIR/bin/dev-versions

pkg/cmd/dev/build.go

@@ -200,7 +200,7 @@ func (d *dev) crossBuild(
 	volume string,
 	dockerArgs []string,
 ) error {
-	bazelArgs = append(bazelArgs, fmt.Sprintf("--config=%s", crossConfig), "--config=ci")
+	bazelArgs = append(bazelArgs, fmt.Sprintf("--config=%s", crossConfig), "--config=ci", "-c", "opt")
 	configArgs := getConfigArgs(bazelArgs)
 	dockerArgs, err := d.getDockerRunArgs(ctx, volume, false, dockerArgs)
 	if err != nil {