fix(scheduled_tasks): get wal-g backups bucket from env

crates/libpk/src/_config.rs

@@ -95,6 +95,7 @@ pub struct ScheduledTasksConfig {
     pub expected_gateway_count: usize,
     pub gateway_url: String,
     pub prometheus_url: String,
+    pub walg_s3_bucket: String,
 }
 
 #[derive(Deserialize, Clone, Debug)]
@@ -157,6 +158,12 @@ impl PKConfig {
             .expect("missing avatar service config")
     }
 
+    pub fn scheduled_tasks(&self) -> &ScheduledTasksConfig {
+        self.scheduled_tasks
+            .as_ref()
+            .expect("missing scheduled_tasks config")
+    }
+
     pub fn premium(&self) -> &PremiumConfig {
         self.premium.as_ref().expect("missing premium config")
     }

crates/scheduled_tasks/src/tasks.rs

@@ -76,7 +76,10 @@ async fn update_basebackup_ts(repo: String) -> anyhow::Result<()> {
 
     env.insert(
         "WALG_S3_PREFIX".to_string(),
-        format!("s3://pluralkit-backups/{repo}/"),
+        format!(
+            "s3://{}/{repo}/",
+            libpk::config.scheduled_tasks().walg_s3_bucket
+        ),
     );
 
     let output = Command::new("wal-g")