Build test certificate dependency from bundled OpenSSL

Signed-off-by: Tom Brow <tomb@block.xyz>

Cargo.lock

@@ -6929,6 +6929,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
 
+[[package]]
+name = "openssl-src"
+version = "300.6.1+3.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46eb8fb9fb3b61ce1c0f8a026c4c1a0714d3a9e138e7fbde78753ce2babc3846"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "openssl-sys"
 version = "0.9.116"
@@ -6937,6 +6946,7 @@ checksum = "f28a22dc7140cda5f096e5e7724a6962ca81a7f8bfd2979f9b18c11af56318c4"
 dependencies = [
  "cc",
  "libc",
+ "openssl-src",
  "pkg-config",
  "vcpkg",
 ]

crates/buzz-push-gateway/Cargo.toml

@@ -52,7 +52,7 @@ url = { workspace = true }
 uuid = { workspace = true }
 
 [dev-dependencies]
-openssl = "0.10"
+openssl = { version = "0.10", features = ["vendored"] }
 ciborium = "0.2"
 proptest = { workspace = true }
 reqwest = { workspace = true }