upgrade release.yml to upload-artifact@v4 (#1410)

Github has deprecated `v1` and `v2` of `actions/upload-artifact` which
causes occassional CI failures and will affect our ability to make new
releases in the future. This PR updates the version used in
`release.yml`.

.github/workflows/release.yml

@@ -23,16 +23,18 @@ jobs:
       run: cmake . -DCMAKE_BUILD_TYPE=Release
     - name: build
       run: cmake --build . --target Luau.Repl.CLI Luau.Analyze.CLI Luau.Compile.CLI --config Release -j 2
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       if: matrix.os.name != 'windows'
       with:
         name: luau-${{matrix.os.name}}
         path: luau*
-    - uses: actions/upload-artifact@v2
+	overwrite: true
+    - uses: actions/upload-artifact@v4
       if: matrix.os.name == 'windows'
       with:
         name: luau-${{matrix.os.name}}
         path: Release\luau*.exe
+	overwrite: true
 
   web:
     runs-on: ubuntu-latest
@@ -52,7 +54,8 @@ jobs:
         source emsdk/emsdk_env.sh
         emcmake cmake . -DLUAU_BUILD_WEB=ON -DCMAKE_BUILD_TYPE=Release
         make -j2 Luau.Web
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@v4
       with:
         name: Luau.Web.js
         path: Luau.Web.js
+	overwrite: true