Update Rust crate xmrs to v0.8.0 (#779)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [xmrs](https://codeberg.org/sbechet/xmrs) | dependencies | minor |
`0.7` -> `0.8` |
| [xmrs](https://codeberg.org/sbechet/xmrs) | dependencies | minor |
`0.7.2` -> `0.8.0` |

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tracker/agb-xm-core/Cargo.toml

@@ -16,4 +16,4 @@ syn = "2"
 agb_tracker_interop = { version = "0.21.1", path = "../agb-tracker-interop", default-features = false }
 agb_fixnum = { version = "0.21.1", path = "../../agb-fixnum" }
 
-xmrs = { version = "0.7.2", features = ["std"] }
+xmrs = { version = "0.8.0", features = ["std", "import"] }

tracker/agb-xm/Cargo.toml

@@ -19,4 +19,4 @@ proc-macro2 = "1"
 quote = "1"
 syn = "2"
 
-xmrs = "0.7"
+xmrs = "0.8"

tracker/desktop-player/Cargo.toml

@@ -13,6 +13,6 @@ agb_tracker = { version = "0.21.1", path = "../agb-tracker", default-features =
 agb_fixnum = { version = "0.21.1", path = "../../agb-fixnum" }
 
 anyhow = "1"
-xmrs = "0.7"
+xmrs = "0.8"
 
 cpal = "0.15"