Bump actions/upload-artifact from 2 to 3

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2...v3)

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

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

.github/workflows/build_deb.yml

@@ -17,6 +17,6 @@ jobs:
       - run: cargo build --release
       - run: ./build-manpages.sh
       - run: cargo deb
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           path: target/debian/*.deb

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
       - run: cargo install mdsh mandown
       - run: cargo build --release
       - run: ./build-manpages.sh
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: git-mob-${{ matrix.os }}
           path: |