Add "--version" command test

Author: niegrzybkowski

src/test/scala/eu/neverblink/jelly/cli/command/VersionSpec.scala

@@ -12,3 +12,11 @@ class VersionSpec extends AnyWordSpec, Matchers:
       out should include("Apache Jena")
     }
   }
+  "--version command" should {
+    "print version" in {
+      val (out, err) = Version.runTestCommand(List("--version"))
+      out should startWith("jelly-cli")
+      out should include("Jelly-JVM")
+      out should include("Apache Jena")
+    }
+  }