feat(server): get artist images from Last.fm

Signed-off-by: Deluan <deluan@navidrome.org>

go.mod

@@ -8,6 +8,7 @@ replace github.com/dhowden/tag v0.0.0-20240417053706-3d75831295e8 => github.com/
 require (
 	github.com/Masterminds/squirrel v1.5.4
 	github.com/RaveNoX/go-jsoncommentstrip v1.0.0
+	github.com/andybalholm/cascadia v1.3.2
 	github.com/bradleyjkemp/cupaloy/v2 v2.8.0
 	github.com/deluan/rest v0.0.0-20211102003136-6260bc399cbf
 	github.com/deluan/sanitize v0.0.0-20241120162836-fdfd8fdfaa55
@@ -51,6 +52,7 @@ require (
 	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1
 	golang.org/x/exp v0.0.0-20241108190413-2d47ceb2692f
 	golang.org/x/image v0.22.0
+	golang.org/x/net v0.31.0
 	golang.org/x/sync v0.9.0
 	golang.org/x/text v0.20.0
 	golang.org/x/time v0.8.0
@@ -103,7 +105,6 @@ require (
 	github.com/subosito/gotenv v1.6.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/crypto v0.29.0 // indirect
-	golang.org/x/net v0.31.0 // indirect
 	golang.org/x/sys v0.27.0 // indirect
 	golang.org/x/tools v0.27.0 // indirect
 	google.golang.org/protobuf v1.35.1 // indirect