Update actions/upload-artifact action to v7 (#266)

Co-authored-by: projectorigin-renovate[bot] <150237208+projectorigin-renovate[bot]@users.noreply.github.com>

Author: projectorigin-renovate[bot]

.github/workflows/reusable-build-nuget-package.yaml

@@ -35,7 +35,7 @@ jobs:
         run: dotnet pack --output build --configuration ${{ inputs.configuration }} -p:Version=${{ inputs.version }} ${{ inputs.project }}
 
       - name: Upload nuget artifact
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           name: ${{ inputs.nuget_artifact }}
           retention-days: 1

.github/workflows/reusable-publish-chart.yaml

@@ -72,7 +72,7 @@ jobs:
           files: helm-releases/${{ steps.variables.outputs.name }}-${{ inputs.version }}.tgz
 
       - name: Upload workflow artifact
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7
         with:
           path: helm-releases/${{ steps.variables.outputs.name }}-${{ inputs.version }}.tgz