vault, vault-bin: 1.15.5 -> 1.15.6

[LeSuisse]

Description of changes

One security fix: hashicorp/vault#25649

Changes:
https://github.com/hashicorp/vault/releases/tag/v1.15.6

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 24.05 Release Notes (or backporting 23.05 and 23.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[CobaltCause]

Hmm, I don't end up with the same hash for vendorHash when I try to build vault:

$ NIXPKGS_ALLOW_UNFREE=1 nix build --impure 'github:NixOS/nixpkgs?ref=nixos-unstable#vault'
error: hash mismatch in fixed-output derivation '/nix/store/ja3s1qlx3p23i7awymfvm7yf9h492kx7-vault-1.15.6-go-modules.drv':
         specified: sha256-SYGqlLCA7T4MhRlOVBSYnZdZ2+WuJvmmHw3MdnfoezM=
            got:    sha256-97/nNRwTJnoW1gRvWhdsO36TuLdGTX67o0oTiGMotrs=
error: 1 dependencies of derivation '/nix/store/bvgq4agqgghadzgdjrcis9qb4jwz8c8g-vault-1.15.6.drv' failed to build

[mjm]

Pretty sure this is happening due to buildGoModule being updated to Go 1.22. it seems to change the vendor hashes in some cases.