Additional Otel logging and spans

src/otel.rs

@@ -13,8 +13,7 @@ pub fn init_tracing() {
     let resources = Resource::builder()
         .with_attributes([
             KeyValue::new("service.name", "image-server"),
-            //TODO: Get this from somewhere
-            KeyValue::new("service.version", "1.0"),
+            KeyValue::new("service.version", env!("CARGO_PKG_VERSION")),
         ])
         .build();