fix: Fix sources field (#2)

Author: kdy1

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "swc_sourcemap"
-version = "9.3.0"
+version = "9.3.1"
 authors = ["Sentry <hello@sentry.io>", "swc-project <https://swc.rs>"]
 keywords = ["javascript", "sourcemap", "sourcemaps"]
 description = "Forked from https://github.com/getsentry/rust-sourcemap"

src/lazy/mod.rs

@@ -24,7 +24,7 @@ pub struct RawSourceMap<'a> {
     pub(crate) version: Option<u32>,
     #[serde(default, borrow, skip_serializing_if = "Option::is_none")]
     pub(crate) file: Option<MaybeRawValue<'a, Str>>,
-    #[serde(borrow, skip_serializing_if = "MaybeRawValue::is_empty")]
+    #[serde(borrow)]
     pub(crate) sources: MaybeRawValue<'a, Vec<StrValue<'a>>>,
     #[serde(default, borrow, skip_serializing_if = "Option::is_none")]
     pub(crate) source_root: Option<StrValue<'a>>,