[advisor] Migrate @azure/arm-advisor with @azure/dev-tool additions

[mpodwysocki]

Packages impacted by this PR

• @azure/dev-tool
• @azure/arm-advisor
• @azure/arm-agrifood
• @azure/arm-apicenter

Issues associated with this PR

• [engSys] Client Libraries - package modernization #31338

Describe the problem that is addressed by this PR

Migrates @azure/arm-advisor to ESM/vitest via @azure/dev-tool and adds fixes such as vi.fn() support and import "dotenv/config";

Also adds support for ESM testing and type testing.

What are the possible designs available to address the problem? If there are more than one possible design, why was the one in this PR chosen?

Are there test cases added in this PR? (If not, why?)

Provide a list of related PRs (if any)

Command used to generate this PR:**(Applicable only to SDK release request PRs)

Checklists

• Added impacted package name to the issue description
• Does this PR needs any fixes in the SDK Generator?** (If so, create an Issue in the Autorest/typescript repository and link it here)
• Added a changelog (if necessary)