Update permissions in build.yml (#95)

.github/workflows/build.yml

@@ -13,13 +13,16 @@ on:
     types:
     - published
 
+permissions:
+  contents: write
+
 jobs:
   build:
 
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -50,7 +53,7 @@ jobs:
 
     - name: Upload CI VSIX
       if: github.ref == 'refs/heads/main'
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: mono-debug-${{ github.sha }}.vsix
         path: ${{ steps.vsix_name.outputs.filename }}