Bump the dependencies group with 1 update

Bumps the dependencies group with 1 update: [cloud.google.com/go/spanner](https://github.com/googleapis/google-cloud-go).

- [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/v1.48.0...spanner/v1.49.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/toga4/spream
 go 1.19
 
 require (
-	cloud.google.com/go/spanner v1.48.0
+	cloud.google.com/go/spanner v1.49.0
 	github.com/google/go-cmp v0.5.9
 	github.com/ory/dockertest/v3 v3.10.0
 	golang.org/x/sync v0.3.0

go.sum

@@ -10,8 +10,8 @@ cloud.google.com/go/iam v1.1.1 h1:lW7fzj15aVIXYHREOqjRBV9PsH0Z6u8Y46a1YGvQP4Y=
 cloud.google.com/go/iam v1.1.1/go.mod h1:A5avdyVL2tCppe4unb0951eI9jreack+RJ0/d+KUZOU=
 cloud.google.com/go/longrunning v0.5.1 h1:Fr7TXftcqTudoyRJa113hyaqlGdiBQkp0Gq7tErFDWI=
 cloud.google.com/go/longrunning v0.5.1/go.mod h1:spvimkwdz6SPWKEt/XBij79E9fiTkHSQl/fRUUQJYJc=
-cloud.google.com/go/spanner v1.48.0 h1:lh3Xqe2G+/bhJ1O3JxYt4ahYXOz/wPH4D2Wrx2vFoNI=
-cloud.google.com/go/spanner v1.48.0/go.mod h1:eGj9mQGK8+hkgSVbHNQ06pQ4oS+cyc4tXXd6Dif1KoM=
+cloud.google.com/go/spanner v1.49.0 h1:+HY8C4uztU7XyLz3xMi/LCXdetLEOExhvRFJu2NiVXM=
+cloud.google.com/go/spanner v1.49.0/go.mod h1:eGj9mQGK8+hkgSVbHNQ06pQ4oS+cyc4tXXd6Dif1KoM=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=