Downgrade nix to version 0.22

alsa-fix-metadata.diff

@@ -0,0 +1,11 @@
+--- alsa-0.6.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ alsa-0.6.0/Cargo.toml	2021-11-03T23:18:25.317265+00:00
+@@ -33,7 +33,7 @@
+ version = "0.2.105"
+ 
+ [dependencies.nix]
+-version = "0.23"
++version = "0.22"
+ [badges.is-it-maintained-issue-resolution]
+ repository = "diwic/alsa-rs"
+ 

rust-alsa.spec

@@ -15,6 +15,9 @@ Summary:        Thin but safe wrappers for ALSA (Linux sound API)
 License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/alsa
 Source:         %{crates_source}
+# Initial patched metadata
+# Downgrade nix to version 0.22
+Patch0:         alsa-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}