feat(sentry): Tag sentry events with additional version details. (#5674)

* tagged everything in the version

* print sha256 in hex

Fixes DGRAPH-1692

x/sentry_integration.go

@@ -18,6 +18,7 @@ package x
 
 import (
 	"errors"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"strings"
@@ -99,6 +100,10 @@ func FlushSentry() {
 func ConfigureSentryScope(subcmd string) {
 	sentry.ConfigureScope(func(scope *sentry.Scope) {
 		scope.SetTag("dgraph", subcmd)
+		scope.SetTag("checksum", fmt.Sprintf("%x", ExecutableChecksum()))
+		scope.SetTag("commit", lastCommitSHA)
+		scope.SetTag("commit_ts", lastCommitTime)
+		scope.SetTag("branch", gitBranch)
 		scope.SetLevel(sentry.LevelFatal)
 	})