chore(main): release spanner 1.37.0 (#6424)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

spanner/.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-    "spanner": "1.36.0"
+    "spanner": "1.37.0"
 }

spanner/CHANGES.md

@@ -1,5 +1,20 @@
 # Changes
 
+## [1.37.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.36.0...spanner/v1.37.0) (2022-08-28)
+
+
+### Features
+
+* **spanner/admin/database:** Add ListDatabaseRoles API to support role based access control ([1ffeb95](https://github.com/googleapis/google-cloud-go/commit/1ffeb9557bf1f18cc131aff40ec7e0e15a9f4ead))
+* **spanner/spansql:** add support for nullif expressions ([#6423](https://github.com/googleapis/google-cloud-go/issues/6423)) ([5b7bfeb](https://github.com/googleapis/google-cloud-go/commit/5b7bfebcd4a0fd3cbe355d9d290e6b5101810b7e))
+* **spanner:** install grpc rls and xds by default ([#6007](https://github.com/googleapis/google-cloud-go/issues/6007)) ([70d562f](https://github.com/googleapis/google-cloud-go/commit/70d562f25738052e833a46daf6ff7fa1f4a0a746))
+* **spanner:** set client wide ReadOptions, ApplyOptions, and TransactionOptions ([#6486](https://github.com/googleapis/google-cloud-go/issues/6486)) ([757f1ca](https://github.com/googleapis/google-cloud-go/commit/757f1cac7a765fe2e7ead872d07eb24baad61c28))
+
+
+### Bug Fixes
+
+* **spanner/admin/database:** target new spanner db admin service config ([1d6fbcc](https://github.com/googleapis/google-cloud-go/commit/1d6fbcc6406e2063201ef5a98de560bf32f7fb73))
+
 ## [1.36.0](https://github.com/googleapis/google-cloud-go/compare/spanner/v1.35.0...spanner/v1.36.0) (2022-07-23)
 
 

spanner/internal/version.go

@@ -15,4 +15,4 @@
 package internal
 
 // Version is the current tagged release of the library.
-const Version = "1.36.0"
+const Version = "1.37.0"