Fix arch build

Signed-off-by: Dorian Stoll <dorian.stoll@tmsp.io>

.github/workflows/arch.yml

@@ -80,7 +80,7 @@ jobs:
     steps:
     - name: Install dependencies
       run: |
-        pacman -Sy --noconfirm obase-devel git
+        pacman -Sy --noconfirm base-devel git
 
     - name: Checkout repository
       uses: actions/checkout@v2
@@ -140,7 +140,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Download artifacts
-      uses: action/download-artifact@v1
+      uses: actions/download-artifact@v1
       with:
         name: arch-latest