Bump actions/upload-artifact from 3 to 4 (#2918)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/cache_data.yaml

@@ -65,7 +65,7 @@ jobs:
 
       # Upload the downloaded files as artifacts to GitHub
       - name: Upload artifacts to GitHub
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: gmt-cache
           path: |

.github/workflows/ci_tests.yaml

@@ -153,7 +153,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ failure() }}
         with:
           name: artifact-${{ runner.os }}-${{ matrix.python-version }}

.github/workflows/ci_tests_dev.yaml

@@ -195,7 +195,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ failure() }}
         with:
           name: artifact-GMT-${{ matrix.gmt_git_ref }}-${{ runner.os }}