Remove CC0-1.0 from license metadata (not acceptable for code in Fedora)

constant_time_eq-fix-metadata.diff

@@ -1,8 +1,11 @@
 --- constant_time_eq-0.3.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ constant_time_eq-0.3.0/Cargo.toml	2024-01-06T05:07:59.388894+00:00
-@@ -25,20 +25,3 @@
++++ constant_time_eq-0.3.0/Cargo.toml	2024-01-19T16:39:19.285130+00:00
+@@ -23,22 +23,5 @@
+     "cryptography",
+     "no-std",
  ]
- license = "CC0-1.0 OR MIT-0 OR Apache-2.0"
+-license = "CC0-1.0 OR MIT-0 OR Apache-2.0"
++license = "MIT-0 OR Apache-2.0"
  repository = "https://github.com/cesarb/constant_time_eq"
 -
 -[[bench]]

rust-constant_time_eq.spec

@@ -9,10 +9,11 @@ Version:        0.3.0
 Release:        %autorelease
 Summary:        Compares two equal-sized byte strings in constant time
 
-License:        CC0-1.0 OR MIT-0 OR Apache-2.0
+License:        MIT-0 OR Apache-2.0
 URL:            https://crates.io/crates/constant_time_eq
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
+# * remove CC0-1.0 from license metadata (not acceptable for code in Fedora)
 # * drop unused, benchmark-only criterion dev-dependency to speed up builds
 # * drop unused count_instructions dev-dependency and associated feature
 Patch:          constant_time_eq-fix-metadata.diff