ci: clear the target dir if it gets too big

.github/workflows/ci.yml

@@ -62,6 +62,9 @@ jobs:
           clean: false
           submodules: 'recursive'
 
+      - name: Limit target directory size
+        run: script/clear-target-dir-if-larger-than 70
+
       - name: Run check
         run: cargo check --workspace
 
@@ -110,6 +113,9 @@ jobs:
           clean: false
           submodules: 'recursive'
 
+      - name: Limit target directory size
+        run: script/clear-target-dir-if-larger-than 70
+
       - name: Determine version and release channel
         if: ${{ startsWith(github.ref, 'refs/tags/v') }}
         run: |