Project.getProperties() deprecated in Gradle 9 / removed in Gradle 10

### `Project.getProperties()` deprecated in Gradle 9 / removed in Gradle 10

With Goomph 4.4.1 and Gradle 9, the following deprecation warning is reported:

> The Project.getProperties method has been deprecated. This will fail with an error in Gradle 10.

The problem report points to `com.diffplug.eclipse.mavencentral`, and the call originates from `GoomphCacheLocations.initFromProject()`:

```java
Object value = project.getProperties().get("goomph_" + field.getName());
```

This appears to be a straightforward Gradle 10 compatibility issue. `Project.getProperties()` can be replaced with `Project.findProperty()` here while preserving the existing lookup behavior:

```java
Object value = project.findProperty("goomph_" + field.getName());
```

Could this be addressed in a future Goomph release?

Inizia da GoomphCacheLocations.initFromProject(), dove l’issue identifica la chiamata deprecata a Project.getProperties(). Controlla la ricerca delle proprietà circostante e verifica che l’avviso di compatibilità di Gradle venga risolto, mentre il comportamento esistente di ricerca del campo goomph_ rimane invariato.

Scritto dal modello di indicizzazione a partire dal testo della issue.