Motivation for this change

• Update package 0.26.3 -> 1.0.2 (diff segmentio/aws-okta@v0.26.3...v1.0.2)
• Embed package version in build
• Remove obsolete dependencies

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
    • Tested aws-okta -d add ✔️
    • Tested aws-okta version ✔️
    • Tested aws-okta exec ✔️
  • macOS
    • Tested aws-okta -d add ✔️
    • Tested aws-okta version ✔️
    • Tested aws-okta exec ✔️
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
  • Before

    nix path-info -h -S ./result
    /nix/store/2fpl97qijbqyp9z25ag03mv9y0d40w9f-aws-okta-0.26.3       50.2M
    

  • After

    nix path-info -h -S ./result
    /nix/store/ga0rdb9347rg22ia51cmyvngskcxwvy1-aws-okta-1.0.2        47.3M
    

• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.