Updates gems and the ruby task

docs/.ruby-version

@@ -0,0 +1 @@
+3.3.0

docs/Gemfile.lock

@@ -9,7 +9,7 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    ffi (1.10.0)
+    ffi (1.17.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
@@ -33,14 +33,13 @@ GEM
       sass (~> 3.4)
     jekyll-seo-tag (2.5.0)
       jekyll (~> 3.3)
-    jekyll-watch (2.1.2)
+    jekyll-watch (2.2.1)
       listen (~> 3.0)
     kramdown (1.17.0)
     liquid (4.0.0)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
+    listen (3.9.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     minima (2.5.0)
       jekyll (~> 3.5)
@@ -53,7 +52,6 @@ GEM
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     rouge (2.2.1)
-    ruby_dep (1.5.0)
     safe_yaml (1.0.4)
     sass (3.7.3)
       sass-listen (~> 4.0.0)
@@ -71,4 +69,4 @@ DEPENDENCIES
   tzinfo-data
 
 BUNDLED WITH
-   2.0.1
+   2.5.9

docs/dev.yml

@@ -1,3 +1,3 @@
 up:
-  - ruby: 2.6.0
+  - ruby
   - bundler

src/loader.rs

@@ -1,7 +1,7 @@
 use crate::hash::Source;
 use anyhow::Error;
 use std::{
-    env, fs, io, iter,
+    fs, io, iter,
     path::{Path, PathBuf},
 };
 

src/trust.rs

@@ -90,7 +90,8 @@ fn load_or_generate_signer() -> Result<SigningKey, Error> {
         Some(bytes) => {
             // We used to write the entire keypair to the file, but now we only write the private key.
             // So it's important to take only the first 32 bytes here.
-            let key_bytes: [u8; 32] = bytes[..32].try_into()
+            let key_bytes: [u8; 32] = bytes[..32]
+                .try_into()
                 .map_err(|_| anyhow::anyhow!("Invalid key length"))?;
             Ok(SigningKey::from_bytes(&key_bytes))
         }