Require CLIENT_SECRET for new access-review connectors → Drop Snyk, Ramp, Lever, Deel access-review providers

- Require CLIENT_SECRET for new access-review connectors
- Use Heroku account UUID as ExternalID
- Bump GitHub orgs picker to per_page=100
- Drop Snyk, Ramp, Lever, Deel access-review providers

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/server/api/console/v1/access_source_provider_config.go

@@ -92,14 +92,6 @@ var providerOrgConfigs = map[coredata.ConnectorProvider]providerOrgConfig{
 		},
 		NeedsPicker: true,
 	},
-	coredata.ConnectorProviderSnyk: {
-		ListOrgs: drivers.ListSnykOrganizations,
-		SelectedSlug: func(c *coredata.Connector) string {
-			s, _ := coredata.ConnectorSettings[coredata.SnykConnectorSettings](c)
-			return s.OrgID
-		},
-		NeedsPicker: true,
-	},
 	coredata.ConnectorProviderNetlify: {
 		ListOrgs: drivers.ListNetlifyOrganizations,
 		SelectedSlug: func(c *coredata.Connector) string {