build(deps): bump actions/upload-artifact from 2 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v4)

---
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.yml

@@ -80,7 +80,7 @@ jobs:
             shasum -a 256 taskwarrior-tui-${{ matrix.target }}.tar.gz > taskwarrior-tui-${{ matrix.target }}.sha256
           fi
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: taskwarrior-tui
           path: target/${{ matrix.target }}/release/taskwarrior-tui-${{ matrix.target }}.tar.gz

.github/workflows/cd.yml

@@ -91,7 +91,7 @@ jobs:
             shasum -a 256 taskwarrior-tui-${{ matrix.target }}.tar.gz > taskwarrior-tui-${{ matrix.target }}.sha256
           fi
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: taskwarrior-tui
           path: target/${{ matrix.target }}/release/taskwarrior-tui-${{ matrix.target }}.tar.gz
@@ -131,7 +131,7 @@ jobs:
       - name: Build deb package
         run: cargo deb -p taskwarrior-tui -o target/debian/taskwarrior-tui.deb
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: taskwarrior-tui
           path: target/debian/taskwarrior-tui.deb
@@ -161,7 +161,7 @@ jobs:
       - name: Build rpm package
         run: cargo rpm build
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: taskwarrior-tui
           path: target/release/rpmbuild/RPMS/x86_64/taskwarrior-tui-*.x86_64.rpm