chore: bump versions (#5)

Co-authored-by: fu050409 <[email protected]>

Author: github-actions[bot]

.changes/judge-line.md

@@ -0,0 +1,8 @@
+# Changelog
+
+## \[0.1.1]
+
+### New Features
+
+- [`20bb292`](https://github.com/swpu-acm/eval-stack/commit/20bb292693c179588b6f46792f6b299917210ea0) ([#4](https://github.com/swpu-acm/eval-stack/pull/4) by [@fu050409](https://github.com/swpu-acm/eval-stack/../../fu050409)) Judge outputs for each line of expected outputs.
+- [`a500968`](https://github.com/swpu-acm/eval-stack/commit/a50096867409251a4aac30822f19dc54281c6b47) ([#6](https://github.com/swpu-acm/eval-stack/pull/6) by [@fu050409](https://github.com/swpu-acm/eval-stack/../../fu050409)) Add `serde` feature to enable serialization and deserialization.

.changes/serde.md

@@ -1,6 +1,6 @@
 [package]
 name = "eval-stack"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 authors = ["苏向夜 <[email protected]>"]
 readme = "README.md"