build(deps): update dependency org.jacoco:jacoco-maven-plugin to v0.8.8 (#1805)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.jacoco:jacoco-maven-plugin](https://www.jacoco.org/jacoco/trunk/doc/maven.html) ([source](https://togithub.com/jacoco/jacoco)) | `0.8.7` -> `0.8.8` | [![age](https://badges.renovateapi.com/packages/maven/org.jacoco:jacoco-maven-plugin/0.8.8/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.jacoco:jacoco-maven-plugin/0.8.8/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.jacoco:jacoco-maven-plugin/0.8.8/compatibility-slim/0.8.7)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.jacoco:jacoco-maven-plugin/0.8.8/confidence-slim/0.8.7)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>jacoco/jacoco</summary>

### [`v0.8.8`](https://togithub.com/jacoco/jacoco/releases/v0.8.8)

[Compare Source](https://togithub.com/jacoco/jacoco/compare/v0.8.7...v0.8.8)

##### New Features

-   JaCoCo now officially supports Java 17 and 18 (GitHub [#&#8203;1282](https://togithub.com/jacoco/jacoco/issues/1282), [#&#8203;1198](https://togithub.com/jacoco/jacoco/issues/1198)).
-   Experimental support for Java 19 class files (GitHub [#&#8203;1264](https://togithub.com/jacoco/jacoco/issues/1264)).
-   Part of bytecode generated by the Java compilers for assert statement is filtered out during generation of report (GitHub [#&#8203;1196](https://togithub.com/jacoco/jacoco/issues/1196)).
-   Branch added by the Kotlin compiler version 1.6.0 and above for "unsafe" cast operator is filtered out during generation of report (GitHub [#&#8203;1266](https://togithub.com/jacoco/jacoco/issues/1266)).
-   Improved support for multiple JaCoCo runtimes in the same VM (GitHub [#&#8203;1057](https://togithub.com/jacoco/jacoco/issues/1057)).

##### Fixed bugs

-   Fixed `NullPointerException` during filtering (GitHub [#&#8203;1189](https://togithub.com/jacoco/jacoco/issues/1189)).
-   Fix range for debug symbols of method parameters (GitHub [#&#8203;1246](https://togithub.com/jacoco/jacoco/issues/1246)).

##### Non-functional Changes

-   JaCoCo now depends on ASM 9.2 (GitHub [#&#8203;1206](https://togithub.com/jacoco/jacoco/issues/1206)).
-   Messages of exceptions occurring during analysis or instrumentation now include JaCoCo version (GitHub [#&#8203;1217](https://togithub.com/jacoco/jacoco/issues/1217)).

</details>

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Author: renovate-bot

google-cloud-spanner/pom.xml

@@ -28,7 +28,7 @@
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.8.7</version>
+        <version>0.8.8</version>
         <executions>
           <execution>
             <goals>