Update nix deps (#4593)

Author: tiziano88

.markdownlint.yaml

@@ -23,3 +23,8 @@ MD033:
 #
 # https://github.com/DavidAnson/markdownlint/blob/master/doc/Rules.md#md034
 MD034: false
+
+# Images should have alternate text (alt text)
+#
+# https://github.com/DavidAnson/markdownlint/blob/master/doc/Rules.md#md045
+MD045: false

flake.lock

@@ -35,7 +35,7 @@
               includeSystemImages = false;
             }).androidsdk;
           rustToolchain =
-            pkgs.rust-bin.nightly.latest.default.override {
+            pkgs.rust-bin.nightly."2023-11-15".default.override {
               extensions = [
                 "clippy"
                 "llvm-tools-preview"

flake.nix

@@ -96,7 +96,9 @@ static class Spec {
    * Based on
    * <https://github.com/sigstore/rekor/blob/2978cdc26fdf8f5bfede8459afd9735f0f231a2a/pkg/generated/models/rekord_v001_schema.go#L179.>
    */
-  static class Data { Hash hash; }
+  static class Data {
+    Hash hash;
+  }
 
   /**
    * Represents a hash digest.

java/src/main/java/com/google/oak/verification/RekorLogEntry.java

@@ -14,8 +14,6 @@
 // limitations under the License.
 //
 
-#![feature(file_create_new)]
-
 use log::info;
 use std::{
     fs::File,

oak_docker_linux_init/src/main.rs

@@ -14,8 +14,6 @@
 // limitations under the License.
 //
 
-#![feature(file_create_new)]
-
 use log::{debug, info};
 use nix::sys::termios::{cfmakeraw, tcgetattr, tcsetattr, SetArg};
 use std::{