Update GitHub actions

.github/workflows/githubci.yml

@@ -17,7 +17,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set matrix
         id: set-matrix
@@ -36,7 +36,7 @@ jobs:
         board: ${{ fromJSON(needs.set-matrix.outputs.matrix) }}
     steps:
     - name: Checkout Code
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         fetch-depth: 0
         submodules: true
@@ -55,7 +55,7 @@ jobs:
         make BOARD=${{ matrix.board }} all
         make BOARD=${{ matrix.board }} copy-artifact
 
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: ${{ matrix.board }}
         path: _bin/${{ matrix.board }}
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Collect all board artifacts
-      uses: actions/download-artifact@v6
+      uses: actions/download-artifact@v8
       with:
         path: _bin
         merge-multiple: true
@@ -85,4 +85,4 @@ jobs:
         files: |
           _bin/*_bootloader-*.zip
           _bin/*_bootloader-*.hex
-          _bin/update-*_bootloader-*.uf2
+          _bin/update-*_bootloader-*.uf2