all up/download-artifact to v4

Author: mohawk2

github-actions/build-dzil-dist/action.yml

@@ -47,7 +47,7 @@ runs:
           dzil build --in build-dir
           echo "::endgroup::"
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: dist
         path: ./build-dir

github-actions/build-eumm-dist/action.yml

@@ -55,7 +55,7 @@ runs:
           perl Makefile.PL && make distdir DISTVNAME=build-dir
           echo "::endgroup::"
     - name: Upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: dist
         path: ./build-dir

template/.github/workflows/dzil/ci.yml

@@ -46,7 +46,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Get dist artifact
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
         with:
           name: dist
           path: build-dir