try v4 of artifact actions

Author: ruby0x1

.github/workflows/.githubCI.yml

@@ -18,7 +18,7 @@ jobs:
       run: ./.travis.sh
       shell: bash
       working-directory: ./
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         name: wren-linux
         path: |
@@ -36,7 +36,7 @@ jobs:
       run: ./.travis.sh
       shell: bash
       working-directory: ./
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         name: wren-mac
         path: |
@@ -58,4 +58,4 @@ jobs:
         name: wren-windows
         path: |
           bin/*
-          lib/*
+          lib/*