fix(deps): update module github.com/containrrr/shoutrrr to v0.8.0 (#555)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

backend/go.mod

@@ -6,7 +6,7 @@ require (
 	ariga.io/atlas v0.12.0
 	entgo.io/ent v0.12.3
 	github.com/ardanlabs/conf/v3 v3.1.6
-	github.com/containrrr/shoutrrr v0.7.1
+	github.com/containrrr/shoutrrr v0.8.0
 	github.com/go-chi/chi/v5 v5.0.10
 	github.com/go-playground/validator/v10 v10.15.5
 	github.com/gocarina/gocsv v0.0.0-20230616125104-99d496ca653d

backend/go.sum

@@ -235,6 +235,8 @@ github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWH
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/containrrr/shoutrrr v0.7.1 h1:19j+YbYXRgj3PJHMzqdQ4dEoQ6teapGdjx0aB8asyho=
 github.com/containrrr/shoutrrr v0.7.1/go.mod h1:wz7j7NfcSA+HUlOIj4sDKYXYpgKopfgxcCYGuto8J3s=
+github.com/containrrr/shoutrrr v0.8.0 h1:mfG2ATzIS7NR2Ec6XL+xyoHzN97H8WPjir8aYzJUSec=
+github.com/containrrr/shoutrrr v0.8.0/go.mod h1:ioyQAyu1LJY6sILuNyKaQaw+9Ttik5QePU8atnAdO2o=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=