Bump the github-actions group with 2 updates (#69)

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


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

Updates `actions/download-artifact` from 6 to 7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/part_docs.yml

@@ -34,7 +34,7 @@ jobs:
             docs-bdepsuild-{{ runner.os }}-${{ steps.setupBEAM.outputs.otp-version }}-${{ steps.setupBEAM.outputs.elixir-version }}-
       - run: mix deps.get
       - run: mix docs
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: docs
           path: doc
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           name: docs
           path: docs

.github/workflows/part_publish.yml

@@ -68,7 +68,7 @@ jobs:
             mix_hex_build-deps-${{ runner.os }}-${{ steps.setupBEAM.outputs.otp-version }}-
       - run: mix deps.get
       - run: mix hex.build --output package.tar
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: package
           path: package.tar
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/download-artifact@v6
+      - uses: actions/download-artifact@v7
         with:
           name: package
           path: .

.github/workflows/part_test.yml

@@ -86,7 +86,7 @@ jobs:
       - run: mix coveralls.multiple --type html --type github
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: mix_test-coverage-${{ matrix.elixir }}
           path: cover/