fix: filter out empty provider statuses from diagnostic message

Signed-off-by: Ilona Shishov <[email protected]>

src/vulnerability.ts

@@ -81,7 +81,7 @@ Recommendation: ${this.provider.resolveDependencyFromReference(dependencyData.re
                 return this.generateRecommendation(dd);
             }
             return '';
-        });
+        }).filter(message => message !== '');
 
         const message = `${this.provider.resolveDependencyFromReference(this.ref)}\n\n${messages.join('\n\n')}\n`;