xtask: update c-kzg risc0 patch (#193)

Signed-off-by: Ignacio Hagopian <jsign.uy@gmail.com>

Author: jsign

precompile-patches/risc0.toml

@@ -1,6 +1,6 @@
 [patch.crates-io]
 blst = { git = "https://github.com/risc0/blst", tag = "v0.3.15-risczero.1" }
-c-kzg = { git = "https://github.com/kevaundray/c-kzg-4844.git", branch = "kw/2.1.1" }
+c-kzg = { git = "https://github.com/risc0/c-kzg-4844", tag = "c-kzg/v2.1.1-risczero.2" }
 sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2-v0.10.9-risczero.0" }
 tiny-keccak = { git = "https://github.com/risc0/tiny-keccak", tag = "tiny-keccak/v2.0.2-risczero.0" }
 k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.4-risczero.1" }