CI: Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/multi-arch-test-build.yml

@@ -165,7 +165,7 @@ jobs:
 
       - name: Store packages
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{env.ARCHIVE_NAME}}-packages
           path: |
@@ -178,7 +178,7 @@ jobs:
 
       - name: Store logs
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{env.ARCHIVE_NAME}}-logs
           path: |

.github/workflows/reusable_build-tools.yml

@@ -46,14 +46,14 @@ jobs:
 
       - name: Upload logs
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: linux-buildbot-logs
           path: openwrt/logs
 
       - name: Upload config
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: linux-buildbot-config
           path: openwrt/.config
@@ -66,7 +66,7 @@ jobs:
 
       - name: Upload prebuilt tools
         if: inputs.generate_prebuilt_artifacts == true
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: linux-buildbot-prebuilt-tools
           path: openwrt/tools.tar

.github/workflows/reusable_build.yml

@@ -262,7 +262,7 @@ jobs:
 
       - name: Upload fixed Packages
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-packages-fixed
           path: openwrt/packages-fixed
@@ -733,7 +733,7 @@ jobs:
 
       - name: Upload logs
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-logs
           path: "openwrt/logs"
@@ -772,7 +772,7 @@ jobs:
       - name: Upload ccache cache
         if: inputs.use_ccache_cache == true && github.event_name == 'push' &&
           inputs.upload_ccache_cache == true
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-ccache-cache
           path: openwrt/${{ needs.setup_build.outputs.ccache_name }}.tar
@@ -788,7 +788,7 @@ jobs:
 
       - name: Upload prebuilt toolchain
         if: inputs.upload_external_toolchain == true
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}-external-toolchain
           path: openwrt/bin/targets/${{ inputs.target }}/${{ inputs.subtarget }}/${{ steps.get-toolchain-name.outputs.toolchain-name }}

.github/workflows/reusable_check-kernel-patches.yml

@@ -149,7 +149,7 @@ jobs:
 
       - name: Upload Refreshed Patches
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-refreshed
           path: openwrt/${{ inputs.target }}-${{ inputs.subtarget }}-refreshed

.github/workflows/reusable_check-tools.yml

@@ -132,7 +132,7 @@ jobs:
 
       - name: Upload fixed tools
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: tools-fixed
           path: openwrt/tools-fixed

.github/workflows/tools.yml

@@ -65,14 +65,14 @@ jobs:
 
       - name: Upload logs
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: macos-latest-logs
           path: ${{ env.WORKPATH }}/openwrt/logs
 
       - name: Upload config
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: macos-latest-config
           path: ${{ env.WORKPATH }}/openwrt/.config