feat: new e2e uses bastion hosts for ssh

[awesomenix]

What type of PR is this?

/kind feature

What this PR does / why we need it:

our e2e is heavily dependent on debug pod running on system pool nodes, making it very fragile with communication when there are lot of e2e running at same time.

1. Create new bastion in NodeRG
2. Creates a tunnel to new scenario vm at start of the scenario execution
3. use bastion for all node communication, this decouples dependency on system pool

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version
• commits are GPG signed and Github marks them as verified

Special notes for your reviewer:

Release note:

none

[Devinwong]

This is pretty cool. Approved and pending the check-in tests.

[Devinwong]

Seeing this error when I run an e2e test locally. It didn't provide detailed info though. Not sure if it's just me.
Let's see if the check-in tests can pass.

Running tool: /usr/local/go/bin/go test -test.fullpath=true -timeout 30m -run ^Test_AzureLinuxV3_KubeletCustomConfig$ github.com/Azure/agentbaker/e2e

go: downloading github.com/bramvdbogaerde/go-scp v1.6.0
go: downloading github.com/coder/websocket v1.8.14
go: downloading github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v7 v7.2.0
go: downloading github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources/v3 v3.0.1
go: downloading github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/containerregistry/armcontainerregistry/v2 v2.0.0
go: downloading github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/containerservice/armcontainerservice/v8 v8.2.0
go: downloading golang.org/x/net v0.48.0
go: downloading github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage/v3 v3.0.0
FAIL    github.com/Azure/agentbaker/e2e [setup failed]