chore: bump libsecp256k1 from 0.6.0 to 0.7.1

Bumps [libsecp256k1](https://github.com/paritytech/libsecp256k1) from 0.6.0 to 0.7.1.
- [Release notes](https://github.com/paritytech/libsecp256k1/releases)
- [Changelog](https://github.com/paritytech/libsecp256k1/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/libsecp256k1/commits)

---
updated-dependencies:
- dependency-name: libsecp256k1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

programs/bpf_loader/Cargo.toml

@@ -12,7 +12,7 @@ edition = "2021"
 [dependencies]
 bincode = "1.3.3"
 byteorder = "1.4.3"
-libsecp256k1 = "0.6.0"
+libsecp256k1 = "0.7.1"
 log = "0.4.17"
 solana-measure = { path = "../../measure", version = "=1.12.0" }
 solana-metrics = { path = "../../metrics", version = "=1.12.0" }

runtime/Cargo.toml

@@ -69,7 +69,7 @@ name = "solana_runtime"
 [dev-dependencies]
 assert_matches = "1.5.0"
 ed25519-dalek = "=1.0.1"
-libsecp256k1 = "0.6.0"
+libsecp256k1 = "0.7.1"
 rand_chacha = "0.2.2"
 solana-logger = { path = "../logger", version = "=1.12.0" }
 

sdk/Cargo.toml

@@ -55,7 +55,7 @@ generic-array = { version = "0.14.5", default-features = false, features = ["ser
 hmac = "0.12.1"
 itertools =  "0.10.3"
 lazy_static = "1.4.0"
-libsecp256k1 = { version = "0.6.0", optional = true }
+libsecp256k1 = { version = "0.7.1", optional = true }
 log = "0.4.17"
 memmap2 = { version = "0.5.3", optional = true }
 num-derive = "0.3"