update nix dependencies with niv-update

* changes to nix-build output:

Version changes:
[U.]    libkrb5       1.21.2 -> 1.21.3
[U.]    libunistring  1.1 -> 1.2
[U.]    nghttp2       1.61.0-lib -> 1.62.1-lib
Closure size: 26 -> 26 (26 paths added, 26 paths removed, delta +0, disk usage +22.9KiB).

* changes to nix-shell output:

Version changes:
[U.]    Cabal                  3.10.3.0, 3.10.3.0-doc -> 3.12.1.0, 3.12.1.0-doc
[U.]    Cabal-syntax           3.10.3.0, 3.10.3.0-doc -> 3.12.1.0, 3.12.1.0-doc
[U*]    cabal-install          3.10.3.0, 3.10.3.0-doc -> 3.12.1.0, 3.12.1.0-doc
[U.]    cabal-install-solver   3.10.2.1, 3.10.2.1-doc -> 3.12.1.0, 3.12.1.0-doc
[U.]    cracklib               2.9.11 -> 2.10.0
[C.]    cups                   2.4.1-lib, 2.4.8-lib -> 2.4.1-lib, 2.4.10-lib
[U.]    data-fix               0.3.3, 0.3.3-doc -> 0.3.4, 0.3.4-doc
[C.]    dns-root-data          2019-01-11, 2023-11-27 -> 2019-01-11, 2024-06-20
[U*]    ghc                    9.6.5, 9.6.5-doc, 9.6.5-with-packages -> 9.6.6, 9.6.6-doc, 9.6.6-with-packages
[U.]    ghc-lib-parser         9.6.5.20240423, 9.6.5.20240423-data, 9.6.5.20240423-doc -> 9.6.6.20240701, 9.6.6.20240701-data, 9.6.6.20240701-doc
[U*]    ghci-dap               0.0.22.0, 0.0.22.0-doc -> 0.0.23.0, 0.0.23.0-doc
[C.]    glib                   2.72.0, 2.80.3, 2.80.3-bin -> 2.72.0, 2.80.4, 2.80.4-bin
[C.]    gnutls                 3.7.3, 3.8.5 -> 3.7.3, 3.8.6
[C.]    gtk+3                  3.24.33, 3.24.42 -> 3.24.33, 3.24.43
[U.]    hackage-security       0.6.2.4, 0.6.2.4-doc -> 0.6.2.6, 0.6.2.6-doc
[C.]    harfbuzz               3.3.2, 8.4.0 -> 3.3.2, 9.0.0
[U*]    haskell-debug-adapter  0.0.39.0, 0.0.39.0-doc -> 0.0.40.0, 0.0.40.0-doc
[U.]    hwdata                 0.383 -> 0.384
[U.]    iproute                1.7.12, 1.7.12-doc -> 1.7.14, 1.7.14-doc
[U.]    libbpf                 1.4.3 -> 1.4.5
[C.]    libcap                 2.49-lib, 2.69-lib -> 2.49-lib, 2.70-lib
[C.]    libdrm                 2.4.110, 2.4.121 -> 2.4.110, 2.4.122
[C.]    libfido2               1.14.0, 1.9.0 -> 1.15.0, 1.9.0
[C.]    libgcrypt              1.10.3, 1.9.4 -> 1.10.3-lib, 1.9.4
[C.]    libgpg-error           1.42, 1.49 -> 1.42, 1.50
[C.]    libkrb5                1.19.2, 1.21.2 -> 1.19.2, 1.21.3
[C.]    libmicrohttpd          0.9.71, 0.9.77 -> 0.9.71, 1.0.1
[C.]    libnftnl               1.2.1, 1.2.6 -> 1.2.1, 1.2.7
[U.]    librsvg                2.58.1 -> 2.58.2
[C.]    libunistring           0.9.10, 1.1 -> 0.9.10, 1.2
[C.]    libxml2                2.12.7, 2.9.13 -> 2.13.2, 2.9.13
[C.]    mailcap                2.1.53 x2 -> 2.1.53, 2.1.54
[U.]    mesa                   24.1.2 -> 24.1.4
[U.]    microaeson             0.1.0.1, 0.1.0.1-doc -> 0.1.0.2, 0.1.0.2-doc
[C.]    nghttp2                1.43.0-lib, 1.61.0-lib -> 1.43.0-lib, 1.62.1-lib
[U*]    nixd                   2.2.3 -> 2.3.0
[U.]    nixf                   2.2.3 -> 2.3.0
[U.]    nixt                   2.2.3 -> 2.3.0
[U.]    nodejs                 20.14.0 -> 20.15.1
[U.]    nss                    3.90.2 -> 3.101.1
[U.]    os-string              2.0.3, 2.0.3-doc -> 2.0.6, 2.0.6-doc
[C.]    p11-kit                0.24.1, 0.25.3 -> 0.24.1, 0.25.5
[U.]    pcsclite               2.1.0-lib -> 2.2.3-lib
[U.]    resolv                 0.1.2.0, 0.1.2.0-doc -> 0.2.0.2, 0.2.0.2-doc
[U.]    s2n-tls                1.4.16 -> 1.4.17
[C.]    sqlite                 3.37.2, 3.45.3 -> 3.37.2, 3.46.0
[C.]    systemd                249.7, 255.6 -> 249.7, 256.2
[C.]    systemd-minimal        249.7, 255.6 -> 249.7, 256.2
[U.]    systemd-minimal-libs   255.6 -> 256.2
[U.]    tasty-hunit            0.10.1, 0.10.1-doc -> 0.10.2, 0.10.2-doc
[U.]    unix-compat            0.7.1, 0.7.1-doc -> 0.7.2, 0.7.2-doc
[U*]    vscodium               1.90.2.24171 -> 1.91.1.24193
[C.]    wayland                1.20.0, 1.22.0 -> 1.20.0, 1.23.0
Added packages:
[A.]    open-browser      0.2.1.0, 0.2.1.0-doc
[A.]    semaphore-compat  1.0.0, 1.0.0-doc
Closure size: 1146 -> 1150 (860 paths added, 856 paths removed, delta +4, disk usage +46.0MiB).

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1d9c2c9b3e71b9ee663d11c5d298727dace8d374",
-        "sha256": "17d5m1s3nibxcz84ac3gxin287ihv50gbgbvnccmkvh9z64j1igh",
+        "rev": "cb9a96f23c491c081b38eab96d22fa958043c9fa",
+        "sha256": "19nv90nr810mmckhg7qkzhjml9zgm5wk4idhrvyb63y4i74ih2i0",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/1d9c2c9b3e71b9ee663d11c5d298727dace8d374.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/cb9a96f23c491c081b38eab96d22fa958043c9fa.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "olderIdeaNixpkgs": {