CI: Update actions/upload-artifact (#2574)

Julow · web-flow · commit 4a5d647de8fe · 2024-09-04T17:24:44.000+02:00
to a version matching actions/download-artifact. This was causing it to
fail.
diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
@@ -51,7 +51,7 @@ jobs:
         run: opam exec -- dune build @gen_manpage --auto-promote
 
       - name: Upload binary
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ocamlformat-${{ runner.os }}-${{ runner.arch }}
           path: _build/install/default/bin/ocamlformat
diff --git a/.github/workflows/build-mingw64.yml b/.github/workflows/build-mingw64.yml
@@ -63,7 +63,7 @@ jobs:
           install/bin/ocamlformat.exe --version
 
       - name: Upload Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ env.artifact_name }}
           path: ${{ env.artifact_name }}
