fix: collision

```
 warning: output filename collision at D:\a\rust-dashcore\rust-dashcore\target\debug\deps\dash_spv_ffi.pdb
  |
  = note: the bin target `dash-spv-ffi` in package `dash-spv-ffi v0.41.0 (D:\a\rust-dashcore\rust-dashcore\dash-spv-ffi)` has the same output filename as the lib target
`dash_spv_ffi` in package `dash-spv-ffi v0.41.0 (D:\a\rust-dashcore\rust-dashcore\dash-spv-ffi)`
  = note: if this looks unexpected, it may be a bug in Cargo. Please file a bug report at https://github.com/rust-lang/cargo/issues/ with as much information as you can provide.
  = note: cargo 1.92.0 (344c4567c 2025-10-21) running on `x86_64-pc-windows-msvc` target `x86_64-pc-windows-msvc`
  = note: first unit: Unit { pkg: Package { id: PackageId { name: "dash-spv-ffi", version: "0.41.0", source: "D:\\a\\rust-dashcore\\rust-dashcore\\dash-spv-ffi" }, ..: ".." },
target: TargetInner { name: "dash-spv-ffi", doc: true, ..: with_path("D:\\a\\rust-dashcore\\rust-dashcore\\dash-spv-ffi\\src\\bin\\ffi_cli.rs", Edition2021) }, profile: Profile
{ name: "test", debuginfo: Resolved(Full), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Build, features: [], rustflags: [], rustdocflags:
[], links_overrides: {}, artifact: false, artifact_target_for_features: None, is_std: false, dep_hash: 8762763947679691180 }
  = note: second unit: Unit { pkg: Package { id: PackageId { name: "dash-spv-ffi", version: "0.41.0", source: "D:\\a\\rust-dashcore\\rust-dashcore\\dash-spv-ffi" }, ..: ".." },
target: TargetInner { ..: lib_target("dash_spv_ffi", ["cdylib", "staticlib", "rlib"], "D:\\a\\rust-dashcore\\rust-dashcore\\dash-spv-ffi\\src\\lib.rs", Edition2021) }, profile:
Profile { name: "test", debuginfo: Resolved(Full), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Build, features: [], rustflags: [],
rustdocflags: [], links_overrides: {}, artifact: false, artifact_target_for_features: None, is_std: false, dep_hash: 12549426100729090946 }
```

Author: xdustinface

dash-spv-ffi/Cargo.toml

@@ -43,5 +43,5 @@ dashcore-test-utils = { path = "../test-utils" }
 cbindgen = "0.29"
 
 [[bin]]
-name = "dash-spv-ffi"
+name = "dash-spv-ffi-cli"
 path = "src/bin/ffi_cli.rs"