fix(deps): update module github.com/sendgrid/sendgrid-go to v3.15.0+incompatible

Author: renovate[bot]

go.mod

@@ -21,7 +21,7 @@ require (
 	github.com/line/line-bot-sdk-go v7.8.0+incompatible
 	github.com/mailgun/mailgun-go/v4 v4.12.0
 	github.com/plivo/plivo-go/v7 v7.51.0
-	github.com/sendgrid/sendgrid-go v3.14.0+incompatible
+	github.com/sendgrid/sendgrid-go v3.15.0+incompatible
 	github.com/silenceper/wechat/v2 v2.1.6
 	github.com/slack-go/slack v0.13.1
 	github.com/stretchr/testify v1.9.0

go.sum

@@ -287,8 +287,8 @@ github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
 github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/sendgrid/rest v2.6.9+incompatible h1:1EyIcsNdn9KIisLW50MKwmSRSK+ekueiEMJ7NEoxJo0=
 github.com/sendgrid/rest v2.6.9+incompatible/go.mod h1:kXX7q3jZtJXK5c5qK83bSGMdV6tsOE70KbHoqJls4lE=
-github.com/sendgrid/sendgrid-go v3.14.0+incompatible h1:KDSasSTktAqMJCYClHVE94Fcif2i7P7wzISv1sU6DUA=
-github.com/sendgrid/sendgrid-go v3.14.0+incompatible/go.mod h1:QRQt+LX/NmgVEvmdRw0VT/QgUn499+iza2FnDca9fg8=
+github.com/sendgrid/sendgrid-go v3.15.0+incompatible h1:oB6ujJD2aFcQRjmZLmmXiiUF9CBYKzsvYdPAS/71cSU=
+github.com/sendgrid/sendgrid-go v3.15.0+incompatible/go.mod h1:QRQt+LX/NmgVEvmdRw0VT/QgUn499+iza2FnDca9fg8=
 github.com/silenceper/wechat/v2 v2.1.6 h1:2br2DxNzhksmvIBJ+PfMqjqsvoZmd/5BnMIfjKYUBgc=
 github.com/silenceper/wechat/v2 v2.1.6/go.mod h1:7Iu3EhQYVtDUJAj+ZVRy8yom75ga7aDWv8RurLkVm0s=
 github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=