chore(ci): improve builder

.forgejo/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
         with:
-          fetch-depth: 0
+          fetch-depth: 2
           filter: blob:none
           sparse-checkout: |
             modpacks
@@ -80,6 +80,14 @@ jobs:
       - name: Add Go bin to PATH
         run: echo "$HOME/go/bin" >> $GITHUB_PATH
 
+      - name: Cache Packwiz Downloads
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/packwiz
+          key: packwiz-cache-${{ runner.os }}-${{ github.run_id }}
+          restore-keys: |
+            packwiz-cache-${{ runner.os }}-
+
       - name: Run Build
         run: |
           chmod +x ./builder-bin/builder