Bump cloud.google.com/go/spanner from 1.65.0 to 1.66.0 (#290)

Bumps [cloud.google.com/go/spanner](https://github.com/googleapis/google-cloud-go) from 1.65.0 to 1.66.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@spanner/v1.65.0...spanner/v1.66.0)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/spanner
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/sj14/dbbench
 go 1.14
 
 require (
-	cloud.google.com/go/spanner v1.65.0
+	cloud.google.com/go/spanner v1.66.0
 	github.com/denisenkom/go-mssqldb v0.12.3
 	github.com/go-sql-driver/mysql v1.8.1
 	github.com/gocql/gocql v1.6.0

go.sum

@@ -1657,8 +1657,9 @@ cloud.google.com/go/spanner v1.57.0/go.mod h1:aXQ5QDdhPRIqVhYmnkAdwPYvj/DRN0Fguc
 cloud.google.com/go/spanner v1.60.0/go.mod h1:D2bOAeT/dC6zsZhXRIxbdYa5nQEYU3wYM/1KN3eg7Fs=
 cloud.google.com/go/spanner v1.63.0/go.mod h1:iqDx7urZpgD7RekZ+CFvBRH6kVTW1ZSEb2HMDKOp5Cc=
 cloud.google.com/go/spanner v1.64.0/go.mod h1:TOFx3pb2UwPsDGlE1gTehW+y6YlU4IFk+VdDHSGQS/M=
-cloud.google.com/go/spanner v1.65.0 h1:XK15cs9lFFQo5n4Wh9nfrcPXAxWln6NdodDiQKmoD08=
 cloud.google.com/go/spanner v1.65.0/go.mod h1:dQGB+w5a67gtyE3qSKPPxzniedrnAmV6tewQeBY7Hxs=
+cloud.google.com/go/spanner v1.66.0 h1:PF1upR8n+DVUO9mUpCc1j5kyHn1Xfq0A53ZrnM0AmeU=
+cloud.google.com/go/spanner v1.66.0/go.mod h1:gu+weqqrnoBsVlxOmMG5pzDZ2nkpqqJx4MsnmIacH5w=
 cloud.google.com/go/speech v1.6.0/go.mod h1:79tcr4FHCimOp56lwC01xnt/WPJZc4v3gzyT7FoBkCM=
 cloud.google.com/go/speech v1.7.0/go.mod h1:KptqL+BAQIhMsj1kOP2la5DSEEerPDuOP/2mmkhHhZQ=
 cloud.google.com/go/speech v1.8.0/go.mod h1:9bYIl1/tjsAnMgKGHKmBZzXKEkGgtU+MpdDPTE9f7y0=