deps: update dependency org.graalvm.sdk:graal-sdk to v22.3.1 (#2238)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [org.graalvm.sdk:graal-sdk](https://togithub.com/oracle/graal) | `22.3.0` -> `22.3.1` | [![age](https://badges.renovateapi.com/packages/maven/org.graalvm.sdk:graal-sdk/22.3.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/org.graalvm.sdk:graal-sdk/22.3.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/org.graalvm.sdk:graal-sdk/22.3.1/compatibility-slim/22.3.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/org.graalvm.sdk:graal-sdk/22.3.1/confidence-slim/22.3.0)](https://docs.renovatebot.com/merge-confidence/) |

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google-cloud-spanner/pom.xml

@@ -16,7 +16,7 @@
   <properties>
     <site.installationModule>google-cloud-spanner</site.installationModule>
     <opencensus.version>0.31.1</opencensus.version>
-    <graalvm.version>22.3.0</graalvm.version>
+    <graalvm.version>22.3.1</graalvm.version>
     <spanner.testenv.config.class>com.google.cloud.spanner.GceTestEnvConfig</spanner.testenv.config.class>
     <spanner.testenv.instance>projects/gcloud-devel/instances/spanner-testing-east1</spanner.testenv.instance>
     <spanner.gce.config.project_id>gcloud-devel</spanner.gce.config.project_id>