📝 Replace artifact@v3 to artifact@v4 in README.md

Author: keunhyung-chung

README.md

@@ -115,7 +115,7 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
 
       - name: Store Pull Request comment to be posted
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
         with:
           # If you use a different name, update COMMENT_ARTIFACT_NAME accordingly
@@ -252,7 +252,7 @@ jobs:
           # directly or through PYTEST_ADD_OPTS.
 
       - name: Store coverage file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: .coverage.${{ matrix.python_version }}
@@ -267,7 +267,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         id: download
         with:
           name: "coverage"
@@ -280,7 +280,7 @@ jobs:
           MERGE_COVERAGE_FILES: true
 
       - name: Store Pull Request comment to be posted
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
         with:
           name: python-coverage-comment-action
@@ -454,7 +454,7 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
 
       - name: Store Pull Request comment to be posted
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: steps.coverage_comment_1.outputs.COMMENT_FILE_WRITTEN == 'true' || steps.coverage_comment_2.outputs.COMMENT_FILE_WRITTEN == 'true'
         with:
           name: python-coverage-comment-action