Also:
- add TODO for TestDeclareDelayedExchange
- Remove NET6 from Messaging.RabbitMQ (for consistency)

Fix loss of indication to use ampqs

* Fix docfx warning "Project does not contain 'Compile' target"

See dotnet/vscode-csharp#5786

* Remove BOM

* Fix failing tests

Error: The active test run was aborted. Reason: Test host process crashed : No usable version of libssl was found

* Add net8.0 target framework, reorder frameworks

* Fix build errors

* Fix broken tests, suppress hanging Resharper test runner

* Remove net8.0 target from Messaging/Stream/Integration (incompatible)

* Remove target for netcoreapp3.1

* Remove unused entries from versions.props, match up EF Core version

* Split package versions into exposed/non-exposed groups

* Bump vulnerable package: Newtonsoft.Json

* Bump vulnerable OpenTelemetry packages (backported from #1278)

- Bump vulnerable packages: OpenTelemetry.Instrumentation.Http, OpenTelemetry.Instrumentation.AspNetCore, OpenTelemetry.Extensions.Hosting
- Remove package OpenTelemetry.Exporter.Jaeger (only non-stable and vulnerable versions exist)
- The above requires a bump of Microsoft.Extensions.* packages to 8.0, because Otel lists them as minimal versions

* Bump vulnerable package: Microsoft.Extensions.Caching.Memory

* Bump vulnerable package: System.Text.Json

* Bump vulnerable package: System.Data.SqlClient

* Bump vulnerable package: Microsoft.Data.SqlClient

* Bump vulnerable package: Oracle.ManagedDataAccess.Core

* Bump vulnerable package: MongoDB.Driver

* Bump vulnerable package: Npgsql

* Bump some internal-only package versions

* Fix/suppress build warnings

* Fix broken tests

* Automated insertion of Obsolete attribute, affecting all public types below the following directories:
/src/CircuitBreaker/src/Abstractions
/src/CircuitBreaker/src/Hystrix.MetricsEventsCore
/src/CircuitBreaker/src/Hystrix.MetricsStreamCore
/src/CircuitBreaker/src/HystrixBase
/src/CircuitBreaker/src/HystrixCore
/src/Common/src/Common.Expression
/src/Common/src/Common.Kubernetes
/src/Common/src/Common.RetryPolly
/src/Common/src/Common.Utils
/src/Configuration/src/KubernetesBase
/src/Configuration/src/KubernetesCore
/src/Connectors/src/Connector.EF6Core
/src/Discovery/src/Kubernetes
/src/Integration/src/Abstractions
/src/Integration/src/IntegrationBase
/src/Integration/src/RabbitMQ
/src/Management/src/KubernetesCore
/src/Stream/src/Abstractions
/src/Stream/src/BinderRabbitMQ
/src/Stream/src/StreamBase
/src/Messaging/src/Abstractions
/src/Messaging/src/MessagingBase
/src/Messaging/src/RabbitMQ
/src/Security/src/DataProtection.CredHubBase
/src/Security/src/DataProtection.CredHubCore

* Manually mark remaining APIs obsolete

* Suppress obsolete warnings

* Apply patch from #1108

* Install .NET 8 in cibuild, fix trigger of component builds

* Remove redundant TargetFramework conditionals

* Remove redundant NET6_0_OR_GREATER conditionals

* Disable failing test in CI on Windows

* Package using GHA

* Change pipeline timeouts

* Fix warnings about System.Text.Json

* Fix warnings about Newtonsoft.Json

* Fix warnings about System.Data.SqlClient

* Fix warnings about Microsoft.Data.SqlClient

* Fix warnings about Npgsql

* Fix warnings about Microsoft.Extensions.Caching.Memory

* Fix warnings about Oracle.ManagedDataAccess.Core

* Fix warning about System.Net.Security

* Fix warnings about System.Formats.Asn1

* Fix warnings about Google.Protobuf

* Fix warnings about System.Text.RegularExpressions

* Fix warnings about System.Net.Http

* Fix warnings about System.Drawing.Common

* Fix warnings about SSH.NET

* Fix warnings about Microsoft.IdentityModel.JsonWebTokens / System.IdentityModel.Tokens.Jwt

* Fix warnings about Azure.Identity

* Fix warnings about BouncyCastle.Cryptography

* Suppress warning about Microsoft.Rest.ClientRuntime

* Detect vulnerable dependencies in cibuild

…am, because RabbitMQ.Client v6 and higher are known to be incompatible (#1577)

…ttps UAA (#1574)

* Enhance support for local, non-https UAA with OIDC and JWT
* Allow customization of CertificateForwardingOptions

- ampq should be amqp