Bump actions/upload-artifact from 4.3.5 to 4.3.6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.5 to 4.3.6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4.3.5...v4.3.6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -57,7 +57,7 @@ jobs:
         make
         ./scripts/ci_upload.sh
     - name: Upload ${{ matrix.board }} build artifact
-      uses: actions/[email protected].5
+      uses: actions/[email protected].6
       with:
         name: ${{ matrix.board }}
         path: |
@@ -93,7 +93,7 @@ jobs:
         make
         ./scripts/ci_upload.sh       
     - name: Upload ${{ matrix.board }} build artifact
-      uses: actions/[email protected].5
+      uses: actions/[email protected].6
       with:
         name: ${{ matrix.board }}
         path: |
@@ -128,7 +128,7 @@ jobs:
         make
         ./scripts/ci_upload.sh 
     - name: Upload ${{ matrix.board }} build artifact
-      uses: actions/[email protected].5
+      uses: actions/[email protected].6
       with:
         name: ${{ matrix.board }}
         path: |
@@ -162,7 +162,7 @@ jobs:
         make
         ./scripts/ci_upload.sh
     - name: Upload ${{ matrix.board }} build artifact
-      uses: actions/[email protected].5
+      uses: actions/[email protected].6
       with:
         name: ${{ matrix.board }}
         path: |