chore(deps): bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [actions/download-artifact](https://github.com/actions/download-artifact) and [actions/upload-artifact](https://github.com/actions/upload-artifact).


Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

Updates `actions/upload-artifact` from 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/flaky.yaml

@@ -59,7 +59,7 @@ jobs:
           echo TESTS_RESULT=$result
           echo "TESTS_RESULT=$result" >>"$GITHUB_ENV"
       - name: download nextest reports
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           pattern: libtest_run_${{ github.run_number }}-${{ github.run_attempt }}-*
           merge-multiple: true

.github/workflows/netsim_runner.yaml

@@ -190,7 +190,7 @@ jobs:
 
     - name: Upload report
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       id: upload-report
       with:
         name: netsim-report-${{ env.LAST_COMMIT_SHA }}

.github/workflows/release.yml

@@ -190,15 +190,15 @@ jobs:
 
         - name: attach artifacts
           if: matrix.os != 'windows-latest'
-          uses: actions/upload-artifact@v4
+          uses: actions/upload-artifact@v5
           with:
             name: iroh-${{env.RELEASE_OS }}-${{env.RELEASE_ARCH}}
             path: target/${{ matrix.cargo_targets }}/optimized-release/iroh
             compression-level: 0
 
         - name: attach artifacts
           if: matrix.os == 'windows-latest'
-          uses: actions/upload-artifact@v4
+          uses: actions/upload-artifact@v5
           with:
             name: iroh-windows-amd64.exe
             path: target/${{ matrix.cargo_targets }}/optimized-release/iroh.exe
@@ -283,7 +283,7 @@ jobs:
             asset_path: ${{ env.ASSET }}
 
         - name: attach artifacts
-          uses: actions/upload-artifact@v4
+          uses: actions/upload-artifact@v5
           if : matrix.os != 'windows-latest'
           with:
             name: iroh-${{ matrix.release-os }}-${{ matrix.release-arch }}-bundle
@@ -292,7 +292,7 @@ jobs:
             retention-days: 1
 
         - name: attach artifacts
-          uses: actions/upload-artifact@v4
+          uses: actions/upload-artifact@v5
           if : matrix.os == 'windows-latest'
           with:
             name: iroh-${{ matrix.release-os }}-${{ matrix.release-arch }}-bundle

.github/workflows/tests.yaml

@@ -118,7 +118,7 @@ jobs:
 
       - name: upload results
         if: ${{ failure() && inputs.flaky }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: libtest_run_${{ github.run_number }}-${{ github.run_attempt }}-${{ matrix.name }}_${{ matrix.features }}_${{ matrix.rust }}.json
           path: output
@@ -230,7 +230,7 @@ jobs:
 
       - name: upload results
         if: ${{ failure() && inputs.flaky }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: libtest_run_${{ github.run_number }}-${{ github.run_attempt }}-${{ matrix.name }}_${{ matrix.features }}_${{ matrix.rust }}.json
           path: output