Bump actions/upload-artifact from 5 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...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/main.yml

@@ -111,7 +111,7 @@ jobs:
       # Used for code coverage later
       - name: Upload built package
         if: ${{ matrix.os == 'macos-14' && matrix.python == 311 }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: package-wheel-cp${{ matrix.python }}-${{ matrix.os }}
           path: dist/*.whl

.github/workflows/pre-release.yml

@@ -102,7 +102,7 @@ jobs:
         run: bash bin/cibw/build_wheels.sh
 
       - name: Upload built wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: package-wheel-cp${{ matrix.python }}-${{ matrix.os }}
           path: dist/*.whl
@@ -134,7 +134,7 @@ jobs:
         run: bash bin/test_sdist.sh
 
       - name: Store artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with: 
           name: package-sdist
           path: dist/*.tar.gz

.github/workflows/release.yml

@@ -98,7 +98,7 @@ jobs:
         run: bash bin/cibw/build_wheels.sh
 
       - name: Upload built wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: package-wheel-cp${{ matrix.python }}-${{ matrix.os }}
           path: dist/*.whl
@@ -125,7 +125,7 @@ jobs:
         run: bash bin/test_sdist.sh
 
       - name: Store artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with: 
           name: package-sdist
           path: dist/*.tar.gz

.github/workflows/test-release.yml

@@ -96,7 +96,7 @@ jobs:
         run: bash bin/cibw/build_wheels.sh
 
       - name: Upload built wheels
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: package-wheel-cp${{ matrix.python }}-${{ matrix.os }}
           path: dist/*.whl
@@ -123,7 +123,7 @@ jobs:
         run: bash bin/test_sdist.sh
 
       - name: Store artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with: 
           name: package-sdist
           path: dist/*.tar.gz