Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/dotnet.yml

@@ -26,19 +26,19 @@ jobs:
     - name: Test
       run: dotnet test ./Typewriter.sln --no-build --verbosity normal
     - name: Upload languages test output on failure
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ failure() }}
       with:
         name: languages-test-output
         path: 'test/Typewriter.Test/bin/Debug/net7.0/OutputDirectory*/**'
     - name: Upload unit test output on failure
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ failure() }}
       with:
         name: unit-test-output
         path: test/Typewriter.Test/bin/Debug/net7.0/output/
     - name: Upload unit test java output on failure
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ failure() }}
       with:
         name: unit-test-output-java