Bump actions/upload-artifact from 2 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v4)

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

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

.github/workflows/build-master.yaml

@@ -18,7 +18,7 @@ jobs:
       - run: dotnet build -c Debug -p:DefineConstants=RUNNING_IN_CI
       - run: dotnet pack ./src/LogicLooper/LogicLooper.csproj -c Debug --no-build -p:IncludeSymbols=true -p:SymbolPackageFormat=snupkg
       - run: dotnet test -c Debug --no-build
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           path: ./src/LogicLooper/bin/Debug/*.*nupkg
   test-release-build:

.github/workflows/build-release.yml

@@ -21,7 +21,7 @@ jobs:
       - run: dotnet build -c Release -p:VersionPrefix=${{ inputs.tag }} -p:DefineConstants=RUNNING_IN_CI
       - run: dotnet test -c Release --no-build
       - run: dotnet pack -c Release --no-build -p:VersionPrefix=${{ inputs.tag }} -p:IncludeSymbols=true -p:SymbolPackageFormat=snupkg -o ./publish
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: nuget
           path: ./publish