Switch to latest tag of postgres image for tests (#69)

The edgefulldata tag contained test data as part of the image. The
latest tag does not contain any data. This commit switches to the
maintained latest tag and crates the schema and minimal test data for
the tests.

src/test/java/io/gardenlinux/glvd/GlvdControllerTest.java

@@ -41,7 +41,9 @@ class GlvdControllerTest {
     @ServiceConnection
     static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>(glvdPostgresImage)
             .withDatabaseName("glvd")
-            .withUsername("glvd").withPassword("glvd");
+            .withUsername("glvd")
+            .withPassword("glvd")
+            .withInitScripts("test-data/01-schema.sql", "test-data/02-sample-data.sql");
 
     @LocalServerPort
     private Integer port;

src/test/java/io/gardenlinux/glvd/TestConfig.java

@@ -1,5 +1,5 @@
 package io.gardenlinux.glvd;
 
 public interface TestConfig {
-    String DbContainerImage = "ghcr.io/gardenlinux/glvd-postgres:edgefulldata";
+    String DbContainerImage = "ghcr.io/gardenlinux/glvd-postgres:latest";
 }