### CI Link

https://gradle-enterprise.elastic.co/s/752jgoui6up4c/tests/:x-pack:plugin:spatial:test/org.elasticsearch.xpack.spatial.index.query.H3LatLonGeometryTests/testIndexPoints?top-execution=1

### Repro line

`./gradlew ':x-pack:plugin:spatial:test' --tests "org.elasticsearch.xpack.spatial.index.query.H3LatLonGeometryTests.testIndexPoints" -Dtests.seed=DFC1C0965EFCD1EB -Dtests.locale=sr-CS -Dtests.timezone=ECT -Druntime.java=17`

Also failed with various other seeds:
* `-Dtests.seed=DFC1C0965EFCD1EB`
* `-Dtests.seed=72BEB29AA48F2C0B`
* `-Dtests.seed=CAF2A0770CD2CC7E`

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

https://gradle-enterprise.elastic.co/scans/tests?search.timeZoneId=Europe/Stockholm&tests.container=org.elasticsearch.xpack.spatial.index.query.H3LatLonGeometryTests&tests.test=testIndexPoints

### Failure excerpt

    java.lang.AssertionError: expected:<81> but was:<82>
x-pack/plugin/spatial/src/main/java/org/elasticsearch/xpack/spatial/index/query/H3LatLonGeometry.java
private final String h3Address;
    H3LatLonGeometry(String h3Address) {
        this.h3Address = h3Address;
    }
    @Override
    protected Component2D toComponent2D() {
        return new H3Polygon2D(h3Address);
    }
    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o instanceof H3LatLonGeometry h3) {
            return Objects.equals(h3Address, h3.h3Address);
        }
        return false;
    }
    @Override
    public int hashCode() {
        return Objects.hashCode(h3Address);
    }
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("H3 : ");
        sb.append("\"");
        sb.append(h3Address);
        sb.append("\"");
        return sb.toString();
    }
    private static class H3Polygon2D implements Component2D {