…jdbc to v2.8.0 (#1054)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner-jdbc](https://togithub.com/googleapis/java-spanner-jdbc) | `2.7.12` -> `2.8.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.8.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.8.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.8.0/compatibility-slim/2.7.12)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.8.0/confidence-slim/2.7.12)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-spanner-jdbc</summary>

### [`v2.8.0`](https://togithub.com/googleapis/java-spanner-jdbc/blob/HEAD/CHANGELOG.md#&#8203;280-httpsgithubcomgoogleapisjava-spanner-jdbccomparev2713v280-2022-11-17)

[Compare Source](https://togithub.com/googleapis/java-spanner-jdbc/compare/v2.7.12...v2.8.0)

##### Features

-   Jsonb data type support ([#&#8203;926](https://togithub.com/googleapis/java-spanner-jdbc/issues/926)) ([cefc290](https://togithub.com/googleapis/java-spanner-jdbc/commit/cefc290d343a2a973e1efbeee33c349fbf98060c))

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.0.6 ([#&#8203;1044](https://togithub.com/googleapis/java-spanner-jdbc/issues/1044)) ([3b00962](https://togithub.com/googleapis/java-spanner-jdbc/commit/3b0096215b63df415a44df1e2f7cb765f9022630))
-   Update dependency com.google.cloud:google-cloud-spanner-bom to v6.33.0 ([#&#8203;1051](https://togithub.com/googleapis/java-spanner-jdbc/issues/1051)) ([e728ac1](https://togithub.com/googleapis/java-spanner-jdbc/commit/e728ac1eee0987a59ce57bc4c2f76e0c42b840a9))
-   Update dependency io.perfmark:perfmark-api to v0.26.0 ([#&#8203;1045](https://togithub.com/googleapis/java-spanner-jdbc/issues/1045)) ([87d578c](https://togithub.com/googleapis/java-spanner-jdbc/commit/87d578c7408586118f1941b976330357ca658d15))

</details>

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