Bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -108,7 +108,7 @@ jobs:
         run: /usr/local/bin/thrift -version
 
       - name: Archive built thrift compiler (macOS)
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: thrift-compiler-${{ matrix.os }}
           path: compiler/cpp/thrift

.github/workflows/cmake.yml

@@ -41,7 +41,7 @@ jobs:
 
       - name: Upload LastTest log
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: cmake-LastTest-log
           path: cmake_build/Testing/Temporary/LastTest.log