feat: allow configuring tracing

chart/templates/secret-hangar-backend.yaml

@@ -34,7 +34,7 @@ stringData:
         readinessState:
           enabled: true
       tracing:
-        enabled: true
+        enabled: {{ .Values.backend.config.tracing }}
       zipkin:
         tracing:
           endpoint: "{{ .Values.backend.config.zipkinEndpoint }}"

chart/values.yaml

@@ -193,6 +193,7 @@ backend:
       cdnIncludeBucket: true
     announcement: "This is a staging server for testing purposes. Data could be deleted at any time. That said, signups are open, please test stuff and report and feedback on github or discord!"
     zipkinEndpoint: "http://hangar-zipkin:9411/api/v2/spans"
+    tracing: true
     mail:
       from: noreply@mail.papermc.dev
       user: dum