bump GH Actions versions

.github/workflows/build.yml

@@ -37,7 +37,7 @@ jobs:
           - arm64
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           submodules: recursive
 
@@ -93,7 +93,7 @@ jobs:
           touch "${{ runner.temp }}/digests/${digest#sha256:}"
 
       - name: Upload Digests
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: digests-linux-${{ matrix.arch }}
           path: ${{ runner.temp }}/digests/*
@@ -111,7 +111,7 @@ jobs:
       version: ${{ needs.build.outputs.version }}
     steps:
       - name: Download Digests
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-*