Archiving Repository fails when it has one or more sub-modules

[SeanKilleen]

When downloading and zipping up a repository for archive, if the repository has a sub-module, the operation will fail.

LibGit2Sharp.RecurseSubmodulesException: The top level repository was cloned, but there was an error cloning its submodules.
2023-02-23T13:56:17.691858819Z ---> LibGit2Sharp.LibGit2SharpException: invalid argument: 'url'
2023-02-23T13:56:17.691867719Z at LibGit2Sharp.Core.Ensure.HandleError(Int32 result) in //LibGit2Sharp/Core/Ensure.cs:line 154
2023-02-23T13:56:17.691873819Z at LibGit2Sharp.Core.Ensure.ZeroResult(Int32 result) in //LibGit2Sharp/Core/Ensure.cs:line 172
2023-02-23T13:56:17.691879019Z at LibGit2Sharp.Core.Proxy.git_submodule_resolve_url(RepositoryHandle repo, String url) in //LibGit2Sharp/Core/Proxy.cs:line 2993
2023-02-23T13:56:17.691884519Z at LibGit2Sharp.Repository.RecursivelyCloneSubmodules(CloneOptions options, String repoPath, Int32 recursionDepth) in //LibGit2Sharp/Repository.cs:line 851
2023-02-23T13:56:17.691889819Z at LibGit2Sharp.Repository.Clone(String sourceUrl, String workdirPath, CloneOptions options) in //LibGit2Sharp/Repository.cs:line 810
2023-02-23T13:56:17.691894919Z --- End of inner exception stack trace ---
2023-02-23T13:56:17.691899919Z at LibGit2Sharp.Repository.Clone(String sourceUrl, String workdirPath, CloneOptions options) in //LibGit2Sharp/Repository.cs:line 814
2023-02-23T13:56:17.691905319Z at Konmaripo.Web.Services.RepositoryArchiver.CloneRepositoryWithTagsAndBranches(String repoName) in /src/Konmaripo.Web/Services/RepositoryArchiver.cs:line 51