[CDTOOL-1136] feat(products/apidiscovery): Add enable/disable support for API Discovery

[kpfleming]

Change summary

Add support for enabling and disabling the API Discovery product.

All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

• Does your submission pass tests?

==> Downloading Go module
==> Tidying module
==> Installing golangci-lint v2.4.0
==> Running golangci-lint fmt
==> Checking golangci-lint version
==> Running golangci-lint
0 issues.
==> Testing go-fastly
ok  	github.com/fastly/go-fastly/v12/fastly	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/computeacls	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/domainmanagement	[no test files]
?   	github.com/fastly/go-fastly/v12/fastly/domainmanagement/v1	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/domainmanagement/v1/domains	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/domainmanagement/v1/tools	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/domainmanagement/v1/tools/status	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/domainmanagement/v1/tools/suggest	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/imageoptimizerdefaultsettings	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/impersonation	[no test files]
?   	github.com/fastly/go-fastly/v12/fastly/ngwaf	[no test files]
?   	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/lists	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/rules	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/scope	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/signals	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/datadog	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/jira	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/mailinglist	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/microsoftteams	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/opsgenie	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/pagerduty	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/slack	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/alerts/webhook	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/events	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/redactions	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/requests	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/thresholds	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/timeseries	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/ngwaf/v1/workspaces/virtualpatches	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/objectstorage	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/objectstorage/accesskeys	(cached)
?   	github.com/fastly/go-fastly/v12/fastly/products	[no test files]
ok  	github.com/fastly/go-fastly/v12/fastly/products/apidiscovery	7.728s
ok  	github.com/fastly/go-fastly/v12/fastly/products/botmanagement	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/brotlicompression	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/ddosprotection	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/domaininspector	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/fanout	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/imageoptimizer	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/logexplorerinsights	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/ngwaf	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/origininspector	(cached)
ok  	github.com/fastly/go-fastly/v12/fastly/products/websockets	(cached)
ok  	github.com/fastly/go-fastly/v12/internal/productcore	(cached)
?   	github.com/fastly/go-fastly/v12/internal/test_utils	[no test files]

Changes to Core Features:

• Have you written new tests for your core changes, as applicable?
• Have you successfully run tests with your changes locally?

User Impact

• What is the user impact of this change?

Are there any considerations that need to be addressed for release?

[rcaril]

Looks good, just wasn't sure about two of the fixtures I commented on.