feat: use sentry tags instead of context for better observability

internal/proxy/director/director.go

@@ -80,9 +80,10 @@ func (d *Director) rewriteRequest(r *http.Request) (*http.Request, error) {
 			r = r.WithContext(proxyCtx)
 
 			if sentryScope, _ := SentryScope(ctx); sentryScope != nil {
-				sentryScope.SetContext("bouncer", sentry.Context{
-					"proxy_name":   p.Name,
-					"proxy_target": r.URL.String(),
+				sentryScope.SetTags(map[string]string{
+					"bouncer.proxy.name":        string(p.Name),
+					"bouncer.proxy.target.url":  r.URL.String(),
+					"bouncer.proxy.target.host": r.URL.Host,
 				})
 			}