chore(deps): update actions/upload-artifact action to v7

Author: renovate[bot]

.github/workflows/dotnet-coverage.yml

@@ -55,6 +55,6 @@ jobs:
         fail_ci_if_error: false
     - name: Publish artifacts
       if: ${{ always() }}
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v7
       with:
         path: ${{env.BUILD_ARTIFACT_PATH}}

.github/workflows/dotnet-multi-os-test.yml

@@ -42,6 +42,6 @@ jobs:
       run: dotnet test --logger trx --results-directory ${{env.BUILD_ARTIFACT_PATH}}/test-results/${{matrix.os}}
     - name: Publish artifacts
       if: ${{ always() }}
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v7
       with:
         path: ${{env.BUILD_ARTIFACT_PATH}}

.github/workflows/dotnet-publish.yml

@@ -55,6 +55,6 @@ jobs:
 
     - name: Publish artifacts
       if: ${{ always() }}
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v7
       with:
         path: ${{env.BUILD_ARTIFACT_PATH}}