chore(deps): update dependency com.google.cloud:google-cloud-spanner to v6.81.1 (#3467)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner](https://redirect.github.com/googleapis/java-spanner) | `6.81.0` -> `6.81.1` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-spanner/6.81.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-spanner/6.81.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-spanner/6.81.0/6.81.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-spanner/6.81.0/6.81.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-spanner (com.google.cloud:google-cloud-spanner)</summary>

### [`v6.81.1`](https://redirect.github.com/googleapis/java-spanner/blob/HEAD/CHANGELOG.md#6811-2024-11-11)

[Compare Source](https://redirect.github.com/googleapis/java-spanner/compare/v6.81.0...v6.81.1)

##### Bug Fixes

-   Client built in metrics. Skip export if instance id is null ([#&#8203;3447](https://redirect.github.com/googleapis/java-spanner/issues/3447)) ([5f8112a](https://redirect.github.com/googleapis/java-spanner/commit/5f8112a9e836aa49c73951f16e97dd96d909f69c))
-   **spanner:** Avoid blocking thread in AsyncResultSet ([#&#8203;3446](https://redirect.github.com/googleapis/java-spanner/issues/3446)) ([62eaee6](https://redirect.github.com/googleapis/java-spanner/commit/62eaee61935bde2da3e16cdf8517b87625bb35a4))

##### Dependencies

-   Update dependency com.google.api.grpc:proto-google-cloud-monitoring-v3 to v3.54.0 ([#&#8203;3437](https://redirect.github.com/googleapis/java-spanner/issues/3437)) ([310fc8c](https://redirect.github.com/googleapis/java-spanner/commit/310fc8c4c0bddcdc9a2302684c46c79cc2fc734d))
-   Update dependency com.google.cloud:google-cloud-monitoring to v3.54.0 ([#&#8203;3438](https://redirect.github.com/googleapis/java-spanner/issues/3438)) ([33dd000](https://redirect.github.com/googleapis/java-spanner/commit/33dd0007a4150951e7731cfdc218d149d695bce7))
-   Update dependency com.google.cloud:google-cloud-trace to v2.53.0 ([#&#8203;3440](https://redirect.github.com/googleapis/java-spanner/issues/3440)) ([e4af421](https://redirect.github.com/googleapis/java-spanner/commit/e4af421d8c7b0780eabe8b296a9d8c71f442ad65))
-   Update dependency io.opentelemetry:opentelemetry-bom to v1.44.1 ([#&#8203;3452](https://redirect.github.com/googleapis/java-spanner/issues/3452)) ([32c928f](https://redirect.github.com/googleapis/java-spanner/commit/32c928ffb595426cf51ec1f0d013d6286c99dd8c))
-   Update opentelemetry.version to v1.44.1 ([#&#8203;3451](https://redirect.github.com/googleapis/java-spanner/issues/3451)) ([c31dc86](https://redirect.github.com/googleapis/java-spanner/commit/c31dc86f57daf33a72860aebd18ca252f3f49803))

##### Documentation

-   Update samples' README.md to ensure given ([#&#8203;3420](https://redirect.github.com/googleapis/java-spanner/issues/3420)) ([b275e80](https://redirect.github.com/googleapis/java-spanner/commit/b275e801bd8571bcf5f61ab7947bf23c9f86a41c))

</details>

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Author: renovate-bot

java-spanner/benchmarks/pom.xml

@@ -92,7 +92,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner</artifactId>
-      <version>6.81.0</version>
+      <version>6.81.1</version>
     </dependency>
     <dependency>
       <groupId>commons-cli</groupId>

java-spanner/samples/install-without-bom/pom.xml

@@ -33,7 +33,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner</artifactId>
-      <version>6.81.0</version>
+      <version>6.81.1</version>
     </dependency>
     <!-- [END spanner_install_without_bom] -->