fix: optimize npm and python setup steps in workflow

.gitea/workflows/main.yml

@@ -27,17 +27,19 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "20"
+          cache: "npm"
 
       - name: npm ci
-        run: npm ci --prefer-offline --no-audit --no-fund
+        run: npm ci --no-audit --no-fund
 
       - name: setup python
         uses: actions/setup-python@v5
         with:
           python-version: "3.13"
+          cache: "pip"
 
       - name: install python deps
-        run: pip install --no-cache-dir -r requirements.txt
+        run: pip install -r requirements.txt
 
       - name: scripts
         working-directory: ./scripts
@@ -50,10 +52,7 @@ jobs:
           git config --local user.email "actions@gitea.local"
           git config --local user.name "Gitea Actions"
           git add -A .
-          # reset prevents huge artifact folders from being pushed back
-          git reset _sprites/sorted
-          git reset _sprites/sorted-merged
-          # [skip ci] prevents recursive pipeline runs
+          git reset _sprites/sorted _sprites/sorted-merged
           git commit -m "Auto-sort sprites [skip ci]" || exit 0
           git push
 
@@ -72,6 +71,3 @@ jobs:
           path: ./_sprites/sorted-merged
           retention-days: 45
           compression-level: 0
-
-      - name: cleanup
-        run: rm -rf ./_sprites/sorted ./_sprites/sorted-merged