chore(deps): update dependency com.google.cloud:google-cloud-spanner-jdbc to v2.2.0 (#488)
chore(deps): update dependency com.google.cloud:google-cloud-spanner-jdbc to v2.2.0 (#488)

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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) | `2.1.0` -> `2.2.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.2.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.2.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.2.0/compatibility-slim/2.1.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-jdbc/2.2.0/confidence-slim/2.1.0)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.2.0`](https://togithub.com/googleapis/java-spanner-jdbc/blob/master/CHANGELOG.md#&#8203;220-httpswwwgithubcomgoogleapisjava-spanner-jdbccomparev210v220-2021-05-26)

[Compare Source](https://togithub.com/googleapis/java-spanner-jdbc/compare/v2.1.0...v2.2.0)

##### Features

-   add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#&#8203;474](https://www.github.com/googleapis/java-spanner-jdbc/issues/474)) ([c14f17b](https://www.github.com/googleapis/java-spanner-jdbc/commit/c14f17b411b15e778a68ce998de04732b159d7ac))

##### Documentation

-   document connection properties in README ([#&#8203;478](https://www.github.com/googleapis/java-spanner-jdbc/issues/478)) ([3ccc543](https://www.github.com/googleapis/java-spanner-jdbc/commit/3ccc5433bec261b18d2536b04590e7645e47ed9b)), closes [#&#8203;456](https://www.github.com/googleapis/java-spanner-jdbc/issues/456)

##### Dependencies

-   update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#&#8203;473](https://www.github.com/googleapis/java-spanner-jdbc/issues/473)) ([a6cc069](https://www.github.com/googleapis/java-spanner-jdbc/commit/a6cc0697ed5916c665f007a1bf16660b8b91f9f9))
-   update dependency com.google.cloud:google-cloud-spanner-bom to v6.5.0 ([#&#8203;483](https://www.github.com/googleapis/java-spanner-jdbc/issues/483)) ([e7fec30](https://www.github.com/googleapis/java-spanner-jdbc/commit/e7fec30f2f2c5518821d5348d448f102301d65c3))

</details>

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googleapis/java-spanner-jdbc,googleapis/java-spanner-jdbc,googleapis/java-spanner-jdbc