fix: prevent npe by handling checking error in NewAnalysis call

If there is an issue in creating the Analysis config when calling
analysis.NewAnalysis, then we want to check before assigning the context to a
potentially nil pointer.

pkg/server/analyze/analyze.go

@@ -34,10 +34,10 @@ func (h *Handler) Analyze(ctx context.Context, i *schemav1.AnalyzeRequest) (
 		[]string{}, //TODO: add custom http headers in server mode
 		false,      // with stats disable
 	)
-	config.Context = ctx // Replace context for correct timeouts.
 	if err != nil {
 		return &schemav1.AnalyzeResponse{}, err
 	}
+	config.Context = ctx // Replace context for correct timeouts.
 	defer config.Close()
 
 	if config.CustomAnalyzersAreAvailable() {