Update actions/upload-artifact action to v6

Author: renovate[bot]

.github/actions/gas-compare/action.yml

@@ -44,7 +44,7 @@ runs:
       shell: bash
     - name: Save report
       if: github.event_name != 'pull_request'
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: gasreport
         overwrite: true

.github/actions/storage-layout/action.yml

@@ -50,7 +50,7 @@ runs:
       shell: bash
     - name: Save artifacts
       if: github.event_name != 'pull_request'
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: layout
         overwrite: true

.github/workflows/release-cycle.yml

@@ -144,7 +144,7 @@ jobs:
         env:
           PRERELEASE: ${{ needs.state.outputs.is_prerelease }}
       - name: Upload tarball artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ github.ref_name }}
           path: ${{ steps.pack.outputs.tarball }}