Bump MQTTnet and NETStandard.Library

[dependabot]

Bumps MQTTnet and NETStandard.Library. These dependencies needed to be updated together.
Updates MQTTnet from 4.3.3.952 to 4.3.5.1141

Release notes

Sourced from MQTTnet's releases.

v4.3.5.1141

• [Client] Fix None of the discovered or specified addresses match the socket address family. (#1997).
• [Client] Remove the obsolete attribute from the WithConnectionUri methods (#1979).

v4.3.4.1084

• [Core] Optimized packet serialization of PUBACK and PUBREC packets for protocol version 5.0.0 (#1939, thanks to @​Y-Sindo).
• [Core] The package inspector is now fully async (#1941).
• [Client] Added a dedicated exception when the client is not connected (#1954, thanks to @​marcpiulachs).
• [Client] The client will now throw a MqttClientUnexpectedDisconnectReceivedException when publishing a QoS 0 message which leads to a server disconnect (BREAKING CHANGE!, #1974, thanks to @​fazho).
• [Client] Exposed the certificate selection event handler in client options (#1984).
• [Server] The server will no longer send NoMatchingSubscribers when the actual subscription was non success (#1965, BREAKING CHANGE!).
• [Server] Fixed broken support for null in AddServer method in ASP.NET integration (#1981).
• [ManagedClient] Added a new event (SubscriptionsChangedAsync) which is fired when a subscription or unsubscription was made (#1894, thanks to @​pdufrene).
• [ManagedClient] Fixed race condition when server shuts down while subscribing (#1987, thanks to @​marve).
• [TopicTemplate] Added new extension which provides a template engine for topics (#1932, thanks to @​simonthum).

Commits

• 918a3c8 Restore old signing to get out hotfix release (#2004)
• 290419b [Client] Fix endpoint handling (#1999)
• 32b6146 Setup nuget signing (#2001)
• 3a73ec2 [Client] Restore WithConnectionUri methods (#1998)
• 41d5b70 Fix support for unix sockets (#1995)
• b476977 DISCONNECT packet should allow zero-length body (#1994)
• 473f9c3 Fix unit tests
• ae4f168 Fix build
• c5578a9 Fix Unit Tests
• f4b2a10 Fix build errors and several warnings
• Additional commits viewable in compare view

Updates NETStandard.Library from 2.0.0.0 to 2.0.3

Release notes

Sourced from NETStandard.Library's releases.

NETStandard.Library 2.0.3 release

Release notes for 2.0.3:

Issue #708 Wrong reference path in NETStandard.Library.targets - fixed in #713

NETStandard.Library 2.0.2 release

2.0.2 contains the following fix:

Issue #442 Adding .NET Standard/.NET Framework facades assemblies is consuming 11% of build time - fixed in #510

NETStandard.Library 2.0.1 release

2.0.1 contains the following fixes:

#510 - Use a file list rather than globbing NETStandard assemblies #491 - Update uap10.1 TFM to uap10.0.15138 and rev up Netstandard package version #487 - Move condition to itemgroup to workaround XBuild bug

Commits

• 18a3629 Merge pull request #714 from ericstj/stable2.0.3
• 47bc89c Mark 2.0.3 version of NETStandard.Library package stable
• d23ee8a Merge pull request #713 from ericstj/fixOldProjectSystemWarnings-rel2.0
• 3c51876 Bump NETStandard.Library package version to 2.0.3
• f9cb39f Fix extraneous slash in reference paths
• b1636e9 Fix warnings in old project system (.NETFramework projects)
• bb6d7bb Remove version from signing plugin to take latest
• 8901c05 Turn off continueonerror for build and update
• e689b03 Merge pull request #701 from weshaggard/Stablize202
• 7b32c70 Mark 2.0.2 version of NETStandard.Library package stable
• Additional commits viewable in compare view

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[mrsuciu]

This version is superseded by later bump to 4.3.6.1152.

[dependabot]

OK, I won't notify you again about this release, but will get in touch when a new version is available. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.