admit switching off interactive mode

pass on the `interactive` flag from `InstallPackage`
also to `InstallPackageFromGit` and `InstallPackageFromHg`,
not only to `InstallPackageFromName`

gap/PackageManager.gi

@@ -67,9 +67,9 @@ function(string, args...)
   if ForAny(PKGMAN_ArchiveFormats, ext -> EndsWith(string, ext)) then
     return InstallPackageFromArchive(string);
   elif EndsWith(string, ".git") then
-    return InstallPackageFromGit(string);
+    return InstallPackageFromGit(string, interactive);
   elif EndsWith(string, ".hg") then
-    return InstallPackageFromHg(string);
+    return InstallPackageFromHg(string, interactive);
   elif EndsWith(string, "PackageInfo.g") then
     return InstallPackageFromInfo(string);
   fi;