*: add versioned user agent to sentry

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

internal/utils/web/http_user_agent.go

@@ -0,0 +1,19 @@
+package web
+
+import (
+	"net/http"
+)
+
+type userAgentTransport struct {
+	inner http.RoundTripper
+	ua    string
+}
+
+func NewUserAgentTransport(ua string, inner http.RoundTripper) *userAgentTransport {
+	return &userAgentTransport{inner, ua}
+}
+
+func (uat *userAgentTransport) RoundTrip(r *http.Request) (*http.Response, error) {
+	r.Header.Set("User-Agent", uat.ua)
+	return uat.inner.RoundTrip(r)
+}