ci: optimize build space (#1204)

Author: xxchan

.github/workflows/ci.yml

@@ -115,6 +115,17 @@ jobs:
   unit:
     runs-on: ubuntu-latest
     steps:
+      - name: Maximize build space
+        uses: easimon/maximize-build-space@master
+        with:
+          remove-dotnet: 'true'
+          remove-android: 'true'
+          remove-haskell: 'true'
+          remove-codeql: 'true'
+          remove-docker-images: 'true'
+          root-reserve-mb: 10240
+          temp-reserve-mb: 10240
+
       - uses: actions/checkout@v4
 
       - name: Setup Rust toolchain