fix: tests

internal/core/plugin_packager/decoder/fs.go

@@ -110,12 +110,12 @@ func (d *FSPluginDecoder) Manifest() (plugin_entities.PluginDeclaration, error)
 	}
 
 	// read the manifest file
-	manifest, err := d.ReadFile("manifest.json")
+	manifest, err := d.ReadFile("manifest.yaml")
 	if err != nil {
 		return plugin_entities.PluginDeclaration{}, err
 	}
 
-	dec, err := parser.UnmarshalJsonBytes[plugin_entities.PluginDeclaration](manifest)
+	dec, err := parser.UnmarshalYamlBytes[plugin_entities.PluginDeclaration](manifest)
 	if err != nil {
 		return plugin_entities.PluginDeclaration{}, err
 	}

internal/core/plugin_packager/decoder/zip.go

@@ -169,12 +169,12 @@ func (z *ZipPluginDecoder) Manifest() (plugin_entities.PluginDeclaration, error)
 	}
 
 	// read the manifest file
-	manifest, err := z.ReadFile("manifest.json")
+	manifest, err := z.ReadFile("manifest.yaml")
 	if err != nil {
 		return plugin_entities.PluginDeclaration{}, err
 	}
 
-	dec, err := parser.UnmarshalJsonBytes[plugin_entities.PluginDeclaration](manifest)
+	dec, err := parser.UnmarshalYamlBytes[plugin_entities.PluginDeclaration](manifest)
 	if err != nil {
 		return plugin_entities.PluginDeclaration{}, err
 	}