deps: update dependency com.google.cloud:google-cloud-spanner-bom to v6.79.0 (#6802)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner-bom](https://redirect.github.com/googleapis/java-spanner) | `6.77.0` -> `6.79.0` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-spanner-bom/6.79.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-spanner-bom/6.79.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-spanner-bom/6.77.0/6.79.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-spanner-bom/6.77.0/6.79.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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> [!WARNING]
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### Release Notes

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

### [`v6.79.0`](https://redirect.github.com/googleapis/java-spanner/blob/HEAD/CHANGELOG.md#6790-2024-10-11)

[Compare Source](https://redirect.github.com/googleapis/java-spanner/compare/v6.78.0...v6.79.0)

##### Features

-   Support DML auto-batching in Connection API ([#&#8203;3386](https://redirect.github.com/googleapis/java-spanner/issues/3386)) ([a1ce267](https://redirect.github.com/googleapis/java-spanner/commit/a1ce267cbd4d4c5c638ab7fe0dd5dba24bcfab86))

##### Dependencies

-   Update dependency com.google.api.grpc:proto-google-cloud-monitoring-v3 to v3.53.0 ([#&#8203;3390](https://redirect.github.com/googleapis/java-spanner/issues/3390)) ([a060e92](https://redirect.github.com/googleapis/java-spanner/commit/a060e92141d3dad0db1fc5175416e24a191fa326))
-   Update dependency com.google.cloud:google-cloud-monitoring to v3.53.0 ([#&#8203;3391](https://redirect.github.com/googleapis/java-spanner/issues/3391)) ([7f0927d](https://redirect.github.com/googleapis/java-spanner/commit/7f0927d495966d7a2ef9023d65545bfe1fecc20b))
-   Update dependency com.google.cloud:google-cloud-monitoring to v3.53.0 ([#&#8203;3392](https://redirect.github.com/googleapis/java-spanner/issues/3392)) ([fd3e92d](https://redirect.github.com/googleapis/java-spanner/commit/fd3e92da940419cd1aed14f770186381d59a2b47))
-   Update dependency com.google.cloud:sdk-platform-java-config to v3.37.0 ([#&#8203;3395](https://redirect.github.com/googleapis/java-spanner/issues/3395)) ([8ecb1a9](https://redirect.github.com/googleapis/java-spanner/commit/8ecb1a901f94d9d49efb0278516428e379803088))
-   Update dependency com.google.cloud.opentelemetry:exporter-metrics to v0.33.0 ([#&#8203;3388](https://redirect.github.com/googleapis/java-spanner/issues/3388)) ([26aa51d](https://redirect.github.com/googleapis/java-spanner/commit/26aa51d561c35295dfb7e2867c3b04b79ce6efc9))
-   Update dependency com.google.cloud.opentelemetry:exporter-trace to v0.33.0 ([#&#8203;3389](https://redirect.github.com/googleapis/java-spanner/issues/3389)) ([6e34c5a](https://redirect.github.com/googleapis/java-spanner/commit/6e34c5a1c20c20a2e994d112f042a59c9b93e1e6))
-   Update googleapis/sdk-platform-java action to v2.47.0 ([#&#8203;3383](https://redirect.github.com/googleapis/java-spanner/issues/3383)) ([4f0d693](https://redirect.github.com/googleapis/java-spanner/commit/4f0d69316a910c23abcb2a142e59bbaf550ca89c))

### [`v6.78.0`](https://redirect.github.com/googleapis/java-spanner/blob/HEAD/CHANGELOG.md#6780-2024-10-11)

[Compare Source](https://redirect.github.com/googleapis/java-spanner/compare/v6.77.0...v6.78.0)

##### Features

-   Define ReplicaComputeCapacity and AsymmetricAutoscalingOption ([f46a6b3](https://redirect.github.com/googleapis/java-spanner/commit/f46a6b34383fe45d63b2db912389b26067f3a853))

##### Bug Fixes

-   **deps:** Update the Java code generator (gapic-generator-java) to 2.47.0 ([139a715](https://redirect.github.com/googleapis/java-spanner/commit/139a715d3f617b20a00b0cf4f5819e5a61a87c96))

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-trace to v2.52.0 ([#&#8203;3393](https://redirect.github.com/googleapis/java-spanner/issues/3393)) ([79453f9](https://redirect.github.com/googleapis/java-spanner/commit/79453f9985eda10631cd29ae58c0cedf234c2e18))

</details>

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -238,7 +238,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-bom</artifactId>
-        <version>6.77.0</version>
+        <version>6.79.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>