nix: update rust-1.74.0

Signed-off-by: Fintan Halpenny <fintan.halpenny@gmail.com>
X-Clacks-Overhead: GNU Terry Pratchett

Cargo.toml

@@ -6,3 +6,4 @@ members = [
   "radicle-surf",
   "test",
 ]
+resolver = "2"

nix/sources.json

@@ -5,10 +5,10 @@
         "homepage": "https://github.com/nmattia/niv",
         "owner": "nmattia",
         "repo": "niv",
-        "rev": "914aba08a26cb10538b84d00d6cfb01c9776d80c",
-        "sha256": "0gx316gc7prjay5b0cr13x4zc2pdbiwxkfkpjvrlb2rml80lm4pm",
+        "rev": "723f0eeb969a730db3c30f977c2b66b9dce9fe4a",
+        "sha256": "0016l7230gd2kdh0g2w573r9a2krqb7x4ifcjhhsn4h1bwap7qr0",
         "type": "tarball",
-        "url": "https://github.com/nmattia/niv/archive/914aba08a26cb10538b84d00d6cfb01c9776d80c.tar.gz",
+        "url": "https://github.com/nmattia/niv/archive/723f0eeb969a730db3c30f977c2b66b9dce9fe4a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
@@ -29,10 +29,10 @@
         "homepage": "",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "673e2d3d2a3951adc6f5e3351c9fce6ad130baed",
-        "sha256": "1vgjkaikv8lwm3kmb4jbc96kxhdy38nmf1v4s7nmx6j4bd8pmlyd",
+        "rev": "7c94410d52d4e8bd72803fc1fe6c51fe179edaf5",
+        "sha256": "1m4awxwvmwmv61fpl9jwfg2ka241hwl37rqffw6lpqb8rj3safff",
         "type": "tarball",
-        "url": "https://github.com/oxalica/rust-overlay/archive/673e2d3d2a3951adc6f5e3351c9fce6ad130baed.tar.gz",
+        "url": "https://github.com/oxalica/rust-overlay/archive/7c94410d52d4e8bd72803fc1fe6c51fe179edaf5.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }