Bump ldap dependency and clean up

Bumping go-ldap to 3.4.4 and cleaning up go.sum (result of go mod tidy)

go.mod

@@ -5,16 +5,13 @@ go 1.15
 require (
 	github.com/coreos/go-oidc/v3 v3.0.0
 	github.com/criteo/haproxy-spoe-go v1.0.6
-	github.com/go-delve/delve v1.8.0 // indirect
+	github.com/go-ldap/ldap/v3 v3.4.4
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/viper v1.8.1
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.2
 	github.com/tebeka/selenium v0.9.9
 	github.com/vmihailenco/msgpack/v5 v5.3.4
-	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
 	golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602
 	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
 	golang.org/x/text v0.3.7 // indirect
-	gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d // indirect
-	gopkg.in/ldap.v3 v3.0.3
 )