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/accessreview/drivers/organizations.go

@@ -34,7 +34,7 @@ type Organization struct {
 // ListGitHubOrganizations fetches the organizations the authenticated
 // GitHub user belongs to.
 func ListGitHubOrganizations(ctx context.Context, httpClient *http.Client) ([]Organization, error) {
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://api.github.com/user/orgs", nil)
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://api.github.com/user/orgs?per_page=100", nil)
 	if err != nil {
 		return nil, fmt.Errorf("cannot create github organizations request: %w", err)
 	}
@@ -301,58 +301,6 @@ func ListAsanaOrganizations(ctx context.Context, httpClient *http.Client) ([]Org
 	return result, nil
 }
 
-// ListSnykOrganizations fetches the Snyk organizations the authenticated
-// user belongs to. The Snyk REST API is JSON:API; the org id is the
-// unique identifier surfaced as the slug.
-func ListSnykOrganizations(ctx context.Context, httpClient *http.Client) ([]Organization, error) {
-	req, err := http.NewRequestWithContext(
-		ctx,
-		http.MethodGet,
-		"https://api.snyk.io/rest/orgs?version=2024-10-15&limit=100",
-		nil,
-	)
-	if err != nil {
-		return nil, fmt.Errorf("cannot create snyk organizations request: %w", err)
-	}
-	req.Header.Set("Accept", "application/vnd.api+json")
-
-	resp, err := httpClient.Do(req)
-	if err != nil {
-		return nil, fmt.Errorf("cannot fetch snyk organizations: %w", err)
-	}
-	defer func() { _ = resp.Body.Close() }()
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("cannot fetch snyk organizations: unexpected status %d", resp.StatusCode)
-	}
-
-	var body struct {
-		Data []struct {
-			ID         string `json:"id"`
-			Attributes struct {
-				Slug string `json:"slug"`
-				Name string `json:"name"`
-			} `json:"attributes"`
-		} `json:"data"`
-	}
-	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
-		return nil, fmt.Errorf("cannot decode snyk organizations response: %w", err)
-	}
-
-	result := make([]Organization, len(body.Data))
-	for i, org := range body.Data {
-		displayName := org.Attributes.Name
-		if displayName == "" {
-			displayName = org.Attributes.Slug
-		}
-		if displayName == "" {
-			displayName = org.ID
-		}
-		result[i] = Organization{Slug: org.ID, DisplayName: displayName}
-	}
-	return result, nil
-}
-
 // ListNetlifyOrganizations fetches the Netlify accounts the authenticated
 // user belongs to.
 func ListNetlifyOrganizations(ctx context.Context, httpClient *http.Client) ([]Organization, error) {