Merge #837: Derive PartialEq, Eq on SyncTime

45d4141 Derive `PartialEq`, `Eq` on `SyncTime` (Max Fang)

Pull request description:

  ### Description

  This enables e.g. `assert_eq!` comparisons of `SyncTime` in tests (we use this)

  ### Changelog notice

  Derived `PartialEq`, `Eq` on `SyncTime`

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

ACKs for top commit:
  rajarshimaitra:
    ACK 45d4141
  evanlinjin:
    ACK 45d4141

Tree-SHA512: eb2dc87762c33874a3a521c2f020250e83401c0f0e784911de6139bc8bf8c56f40c93ad2aa93cf20058ba796efd050979bddc5414acdd6856003e7a9f88c75c6

src/database/mod.rs

@@ -49,7 +49,7 @@ pub use memory::MemoryDatabase;
 /// Blockchain state at the time of syncing
 ///
 /// Contains only the block time and height at the moment
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct SyncTime {
     /// Block timestamp and height at the time of sync
     pub block_time: BlockTime,