feat: support verifying with minisign

[suzuki-shunsuke]

Close #2978

Example

packages:
  - type: http
    repo_owner: ziglang
    repo_name: zig
    description: General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software
    url: https://ziglang.org/download/{{.Version}}/zig-{{.OS}}-{{.Arch}}-{{.Version}}.{{.Format}}
    format: tar.xz
    version_source: github_tag
    files:
      - name: zig
        src: zig-{{.OS}}-{{.Arch}}-{{.Version}}/zig
    minisign:
      type: http
      url: https://ziglang.org/builds/zig-{{.OS}}-{{.Arch}}-{{.Version}}.{{.Format}}.minisig
      public_key: "RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U"
    replacements:
      darwin: macos
      386: i386
      arm64: aarch64
      amd64: x86_64
    overrides:
      - goos: windows
        format: zip

$ aqua exec -- zig --help                                                             
INFO[0000] download and unarchive the package            aqua_version= env=darwin/arm64 exe_name=zig package_name=ziglang/zig package_version=0.13.0 program=aqua registry=standard
Downloading ziglang/zig 0.13.0   0% |                                                                                   | ( 0 B/45 MB) [0s:0s]INFO[0000] verify a package with minisign                aqua_version= env=darwin/arm64 exe_name=zig package_name=ziglang/zig package_version=0.13.0 program=aqua registry=standard
Downloading ziglang/zig 0.13.0 100% |████████████████████████████████████████████████████████████████████████████| (45/45 MB, 48 MB/s)        
Signature and comment signature verified
Trusted comment: timestamp:1717729450	file:zig-macos-aarch64-0.13.0.tar.xz	hashed
Usage: zig [command] [options]