add changelog for v1.4.0-alpha.0

Signed-off-by: Benjamin Wang <benjamin.ahrtr@gmail.com>

CHANGELOG/CHANGELOG-1.4.md

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+
+<hr>
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+## v1.4.0-alpha.0(2024-01-12)
+
+### BoltDB
+- [Improve the performance of hashmapGetFreePageIDs](https://github.com/etcd-io/bbolt/pull/419)
+- [Improve CreateBucketIfNotExists to avoid double searching the same key](https://github.com/etcd-io/bbolt/pull/532)
+- [Support Android platform](https://github.com/etcd-io/bbolt/pull/571)
+- [Record the count of free page to improve the performance of hashmapFreeCount](https://github.com/etcd-io/bbolt/pull/585)
+- [Add logger to bbolt](https://github.com/etcd-io/bbolt/issues/509)
+- [Support moving bucket inside the same db](https://github.com/etcd-io/bbolt/pull/635)
+- [Support inspecting database structure](https://github.com/etcd-io/bbolt/pull/674)
+
+### CMD
+- [Add `surgery clear-page-elements` command](https://github.com/etcd-io/bbolt/pull/417)
+- [Add `surgery abandon-freelist` command](https://github.com/etcd-io/bbolt/pull/443)
+- [Add `bbolt version` command](https://github.com/etcd-io/bbolt/pull/552)
+- [Add `bbolt inspect` command](https://github.com/etcd-io/bbolt/pull/674)
+- [Add `--no-sync` option to `bbolt compact` command](https://github.com/etcd-io/bbolt/pull/290)