[chore][receiver/sqlquery] Enable goleak check (open-telemetry#31667)

**Description:** 
Enable goleak checks to help ensure no goroutines are being leaked. This
is a test only change, a couple tests were missing `Shutdown` calls.

**Link to tracking Issue:**
open-telemetry#30438

---------

Co-authored-by: Andrzej Stencel <astencel@sumologic.com>

receiver/sqlqueryreceiver/go.mod

@@ -19,6 +19,7 @@ require (
 	go.opentelemetry.io/collector/receiver v0.96.1-0.20240306115632-b2693620eff6
 	go.opentelemetry.io/otel/metric v1.24.0
 	go.opentelemetry.io/otel/trace v1.24.0
+	go.uber.org/goleak v1.3.0
 	go.uber.org/multierr v1.11.0
 	go.uber.org/zap v1.27.0
 )

receiver/sqlqueryreceiver/package_test.go

@@ -0,0 +1,15 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package sqlqueryreceiver
+
+import (
+	"testing"
+
+	"go.uber.org/goleak"
+)
+
+// Regarding the godbus/dbus ignore: see https://github.com/99designs/keyring/issues/103
+func TestMain(m *testing.M) {
+	goleak.VerifyTestMain(m, goleak.IgnoreAnyFunction("github.com/godbus/dbus.(*Conn).inWorker"))
+}

receiver/sqlqueryreceiver/receiver_test.go

@@ -45,6 +45,7 @@ func TestCreateLogsReceiver(t *testing.T) {
 	require.NoError(t, err)
 	err = receiver.Start(ctx, componenttest.NewNopHost())
 	require.NoError(t, err)
+	require.NoError(t, receiver.Shutdown(ctx))
 }
 
 func TestCreateMetricsReceiver(t *testing.T) {
@@ -75,6 +76,7 @@ func TestCreateMetricsReceiver(t *testing.T) {
 	require.NoError(t, err)
 	err = receiver.Start(ctx, componenttest.NewNopHost())
 	require.NoError(t, err)
+	require.NoError(t, receiver.Shutdown(ctx))
 }
 
 func fakeDBConnect(string, string) (*sql.DB, error) {