Fix conflicting yq packages, add conflict check, rename workflow

- Remove yq from packages.x86_64 (conflicts with go-yq)
- Add conflicting packages check step to tests workflow
- Rename 'Scheduled ArchISO Build' to 'Automated Arch ISO Build'
- Add --needed to all pacman install commands to suppress reinstalls

.gitea/workflows/build-iso.yaml

@@ -1,4 +1,4 @@
-name: Scheduled ArchISO Build
+name: Automated Arch ISO Build
 
 on:
   schedule:
@@ -23,7 +23,7 @@ jobs:
 
       - name: Install archiso and dependencies
         run: |
-          pacman -Syu --noconfirm archiso jq
+          pacman -Syu --noconfirm --needed archiso jq
 
       - name: Build Arch ISO
         run: |