otel: capture whether process was invoked from a terminal

This commit adds a "terminal" attribute to `BaseMetricAttributes`
that allows us to discern whether an invocation was from an interactive
terminal or not.

Signed-off-by: Laura Brehm <laurabrehm@hey.com>

cmd/docker/docker.go

@@ -304,7 +304,7 @@ func runDocker(ctx context.Context, dockerCli *command.DockerCli) error {
 	mp := dockerCli.MeterProvider(ctx)
 	defer mp.Shutdown(ctx)
 	otel.SetMeterProvider(mp)
-	command.InstrumentCobraCommands(cmd, mp)
+	dockerCli.InstrumentCobraCommands(cmd, mp)
 
 	var envs []string
 	args, os.Args, envs, err = processAliases(dockerCli, cmd, args, os.Args)