Bump actions/upload-artifact from 4 to 6 (#2520)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -247,7 +247,7 @@ jobs:
           targets: ${{(github.event_name == 'push' || inputs.Docker) && 'build,image' || 'build'}}
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: artifact-${{matrix.target}}
           path: |
@@ -264,7 +264,7 @@ jobs:
 
       - name: Upload digest
         if: github.event_name == 'push' || inputs.Docker
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: digests-${{matrix.suffix == '' && 'gnu' || 'musl'}}-${{ matrix.target }}
           path: ${{ runner.temp }}/digests/*
@@ -272,7 +272,7 @@ jobs:
           retention-days: 1
 
       - name: Upload GNU meta bake definition
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: (github.event_name == 'push' || inputs.Docker) && endsWith(matrix.target,'gnu') && startsWith(matrix.target,'x86')
         with:
           name: bake-meta-gnu
@@ -281,7 +281,7 @@ jobs:
           retention-days: 1
 
       - name: Upload musl meta bake definition
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: (github.event_name == 'push' || inputs.Docker) && endsWith(matrix.target,'musl') && startsWith(matrix.target,'x86')
         with:
           name: bake-meta-musl
@@ -318,7 +318,7 @@ jobs:
           mv ./target/${{matrix.target}}/release/stalwart-cli.exe ./artifacts/stalwart-cli.exe
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: artifact-${{matrix.target}}
           path: artifacts
@@ -363,7 +363,7 @@ jobs:
           mv ./target/${{matrix.target}}/release/stalwart-cli ./artifacts/stalwart-cli
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: artifact-${{matrix.target}}
           path: artifacts

.github/workflows/scorecard.yml

@@ -64,7 +64,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: SARIF file
           path: results.sarif