chore: bump msrv to 1.88

Author: eladyn

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        rust: [stable, 1.85]
+        rust: [stable, 1.88]
         os: [macos-latest, ubuntu-latest]
         include:
           - os: macos-latest

Cargo.toml

@@ -7,7 +7,7 @@ repository = "https://github.com/Spotifyd/spotifyd"
 license = "GPL-3.0-only"
 version = "0.4.1"
 resolver = "2"
-rust-version = "1.85"
+rust-version = "1.88"
 
 [dependencies]
 alsa = { version = "0.9.1", optional = true }