gh action cleanup space (#229)

.github/workflows/cov.yml

@@ -8,6 +8,11 @@ jobs:
     env:
       CARGO_TERM_COLOR: always
     steps:
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: true
+
       - uses: actions/checkout@v3
       - name: Install Rust
         run: rustup update nightly

.github/workflows/linux.yml

@@ -16,6 +16,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Free Disk Space
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: true
+
       - uses: actions/checkout@master
 
       - name: Install ${{ matrix.version }}