chore(deps): bump go.einride.tech/spanner-aip from 0.55.0 to 0.56.0

Bumps [go.einride.tech/spanner-aip](https://github.com/einride/spanner-aip-go) from 0.55.0 to 0.56.0.
- [Release notes](https://github.com/einride/spanner-aip-go/releases)
- [Changelog](https://github.com/einride/spanner-aip-go/blob/master/.goreleaser.yml)
- [Commits](einride/spanner-aip-go@v0.55.0...v0.56.0)

---
updated-dependencies:
- dependency-name: go.einride.tech/spanner-aip
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -8,7 +8,7 @@ require (
 	cloud.google.com/go/spanner v1.54.0
 	github.com/google/cel-go v0.18.2
 	go.einride.tech/aip v0.66.0
-	go.einride.tech/spanner-aip v0.55.0
+	go.einride.tech/spanner-aip v0.56.0
 	google.golang.org/api v0.155.0
 	google.golang.org/genproto v0.0.0-20231211222908-989df2bf70f3
 	google.golang.org/genproto/googleapis/api v0.0.0-20231211222908-989df2bf70f3

go.sum

@@ -105,8 +105,8 @@ github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcU
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 go.einride.tech/aip v0.66.0 h1:XfV+NQX6L7EOYK11yoHHFtndeaWh3KbD9/cN/6iWEt8=
 go.einride.tech/aip v0.66.0/go.mod h1:qAhMsfT7plxBX+Oy7Huol6YUvZ0ZzdUz26yZsQwfl1M=
-go.einride.tech/spanner-aip v0.55.0 h1:8zZ0FeTHYi9y7XIVmFFSHnNsWLi+u8yiaw3Vi2+csv8=
-go.einride.tech/spanner-aip v0.55.0/go.mod h1:RueXOu531SqiiMV/lo/Zz0+eubZnXrg7NoCpNF6FVf4=
+go.einride.tech/spanner-aip v0.56.0 h1:b7MreKuyuS5YOgk0hezWtY8+juIMVJd5GUIsH6dUFjw=
+go.einride.tech/spanner-aip v0.56.0/go.mod h1:RueXOu531SqiiMV/lo/Zz0+eubZnXrg7NoCpNF6FVf4=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1 h1:SpGay3w+nEwMpfVnbqOLH5gY52/foP8RE8UzTZ1pdSE=