Add common sentry recover library and add into goroutines (#738)

* Add common sentry recover library and add into goroutines

* fix nits

hack/snifftest/main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"context"
 	"fmt"
 	"os"
 	"reflect"
@@ -16,6 +15,7 @@ import (
 	"golang.org/x/sync/semaphore"
 	"gopkg.in/alecthomas/kingpin.v2"
 
+	"github.com/trufflesecurity/trufflehog/v3/pkg/context"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/decoders"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/engine"