Dependabot, misc. tweaks (#66)

Author: dhardy

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    open-pull-requests-limit: 10
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/test.yml

@@ -100,7 +100,7 @@ jobs:
           targets: ${{ matrix.target }}
           toolchain: ${{ matrix.toolchain }}
       - name: Cache cargo plugins
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ~/.cargo/bin/
           key: ${{ runner.os }}-cargo-plugins

rand_xorshift/src/lib.rs

@@ -10,7 +10,7 @@
 //!
 //! # Example
 //!
-//! To initialize a generator, use the [`SeedableRng`][rand_core::SeedableRng] trait:
+//! To initialize a generator, use the [`SeedableRng`] trait:
 //!
 //! ```
 //! use rand_core::{SeedableRng, RngCore};

rand_xoshiro/src/common.rs

@@ -246,7 +246,7 @@ pub struct Seed512(pub [u8; 64]);
 
 impl Seed512 {
     /// Return an iterator over the seed.
-    pub fn iter(&self) -> core::slice::Iter<u8> {
+    pub fn iter(&self) -> core::slice::Iter<'_, u8> {
         self.0.iter()
     }
 }