mod: bump cloud.google.com/go/secretmanager from 1.15.1 to 1.16.0

Bumps [cloud.google.com/go/secretmanager](https://github.com/googleapis/google-cloud-go) from 1.15.1 to 1.16.0.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/documentai/CHANGES.md)
- [Commits](googleapis/google-cloud-go@kms/v1.15.1...dlp/v1.16.0)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/secretmanager
  dependency-version: 1.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -9,7 +9,7 @@ require (
 	cloud.google.com/go/compute/metadata v0.9.0
 	cloud.google.com/go/logging v1.13.1
 	cloud.google.com/go/profiler v0.4.3
-	cloud.google.com/go/secretmanager v1.15.1
+	cloud.google.com/go/secretmanager v1.16.0
 	cloud.google.com/go/spanner v1.82.0
 	cloud.google.com/go/storage v1.57.1
 	github.com/VividCortex/gohistogram v1.0.0

go.sum

@@ -504,8 +504,8 @@ cloud.google.com/go/secretmanager v1.6.0/go.mod h1:awVa/OXF6IiyaU1wQ34inzQNc4ISI
 cloud.google.com/go/secretmanager v1.8.0/go.mod h1:hnVgi/bN5MYHd3Gt0SPuTPPp5ENina1/LxM+2W9U9J4=
 cloud.google.com/go/secretmanager v1.9.0/go.mod h1:b71qH2l1yHmWQHt9LC80akm86mX8AL6X1MA01dW8ht4=
 cloud.google.com/go/secretmanager v1.10.0/go.mod h1:MfnrdvKMPNra9aZtQFvBcvRU54hbPD8/HayQdlUgJpU=
-cloud.google.com/go/secretmanager v1.15.1 h1:OC9KtdV7eZ4SGQOzFR/qltXbSW6mYiRF4O+ajKYMs1s=
-cloud.google.com/go/secretmanager v1.15.1/go.mod h1://C/e4I8D26SDTz1f3TQcddhcmiC3rMEl0S1Cakvs3Q=
+cloud.google.com/go/secretmanager v1.16.0 h1:19QT7ZsLJ8FSP1k+4esQvuCD7npMJml6hYzilxVyT+k=
+cloud.google.com/go/secretmanager v1.16.0/go.mod h1://C/e4I8D26SDTz1f3TQcddhcmiC3rMEl0S1Cakvs3Q=
 cloud.google.com/go/security v1.5.0/go.mod h1:lgxGdyOKKjHL4YG3/YwIL2zLqMFCKs0UbQwgyZmfJl4=
 cloud.google.com/go/security v1.7.0/go.mod h1:mZklORHl6Bg7CNnnjLH//0UlAlaXqiG7Lb9PsPXLfD0=
 cloud.google.com/go/security v1.8.0/go.mod h1:hAQOwgmaHhztFhiQ41CjDODdWP0+AE1B3sX4OFlq+GU=