Release 0.18.0

[Arlodotexe]

This release contains various fixes and improvements, especially around the reading of files larger than 2.1GB.

• Removed support for net6.0 and net7.0, as they are out of support. Only netstandard2.0 and net8.0 are supported.
• Version bump to 0.18.0, add initial release notes. Update dependencies.
• IpfsFile no longer wraps the returned Stream in the LazySeekStream from OwlCore.ComponentModel.
• Remove async keyword from ApplyStartupProfileSettingsAsync and ApplyRoutingSettingsAsync methods
• Use default instead of new CancellationToken in GetFirstByNameAsync method signature
• Fixed CancellationToken not being passed to underlying API in MfsFolder.CreateFileAsync.
• Refactor MfsStream class to use Path property instead of private field
• Add missing code documentation
• Refactor IpfsFileTests to include additional test methods for reading large files from RPC API and Gateway
• Refactor PeerRoomTests to add null check for sender in MessageReceived event handler
• Use temp as binary folder for tests
• Update test project dependencies
• Update package release notes with latest changes.