Bump Microsoft.Extensions.DependencyInjection from 3.1.5 to 3.1.6

Created by: dependabot-preview[bot]

⚠️ Dependabot is rebasing this PR ⚠️

If you make any changes to it yourself then they will take precedence over the rebase.

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Bumps Microsoft.Extensions.DependencyInjection from 3.1.5 to 3.1.6.

Release notes

Sourced from Microsoft.Extensions.DependencyInjection's releases.

.NET Core 3.1.6

• Release Notes
• Download and Install

Repos

• CLI
• CoreCLR
• Core-Setup
• ASP
• Extensions
• ASPNETCORE-Tooling
• Toolset
• SDK
• EF Core
• WPF
• Winforms

Commits

• be18161 Merge pull request 8572 from darc-internal/release/3.1-dd845ece-1eef-4e45-b74...
• ef51f45 Merge pull request 8559 from darc-internal/release/3.1-9cd9dd21-a257-462c-a63...
• 5feb433 Merge pull request 8485 from darc-internal/release/3.1-3fbc7c9b-d46f-4684-8b7...
• 5402aed Merge pull request 8454 from darc-internal/release/3.1-f8c93e4d-f44a-4cdf-aa3...
• ed46438 Merge in 'release/3.1' changes
• b28e4bd Merge pull request #3303 from dotnet-maestro-bot/merge/release/2.1-to-release...
• 73b7a6e Merge
• e66ce52 Update branding to 2.1.20 (#3299)
• 8dc16ad Merge in 'release/3.1' changes
• 705219e Merge pull request #3264 from dotnet-maestro-bot/merge/release/2.1-to-release...
• Additional commits viewable in compare view

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