fix: switch toolchain to nightly

Author: Torwent

.github/workflows/build.yaml

@@ -48,7 +48,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: nightly
           target: ${{ matrix.target }}
           override: true
 
@@ -88,7 +88,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v4.2.2
 
       - name: Set up Git
         run: |