fix(ci): add Linux host disk cleanup for CI builds

.github/actions/host-cleanup-linux/action.yml

@@ -0,0 +1,45 @@
+name: Host Cleanup (Linux)
+description: Reclaims disk space on Linux CI agents by removing unused pre-installed software
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Cleanup unused host dependencies
+      if: runner.os == 'Linux'
+      shell: bash
+      run: |
+        # This list is based on what the base image contains and
+        # may need to be adjusted as new software gets installed.
+        # Use the `du` command to determine what can be uninstalled.
+
+        # Use sudo only when available and non-interactive (no password prompt)
+        if command -v sudo >/dev/null 2>&1 && sudo -n true >/dev/null 2>&1; then
+          SUDO="sudo -n"
+        else
+          SUDO=""
+        fi
+
+        echo "Disk space before cleanup:"
+        df -h /
+
+        rm -rf ~/.cargo ~/.rustup ~/.dotnet || true
+
+        $SUDO rm -rf /usr/share/swift || true
+        $SUDO rm -rf /opt/microsoft/msedge || true
+        $SUDO rm -rf /usr/local/.ghcup || true
+        $SUDO rm -rf /usr/lib/mono || true
+        $SUDO rm -rf /usr/local/lib/android || true
+        $SUDO rm -rf /opt/ghc || true
+        $SUDO rm -rf /opt/hostedtoolcache/CodeQL || true
+
+        if command -v snap >/dev/null 2>&1; then
+          timeout 60s $SUDO snap remove lxd || true
+          timeout 60s $SUDO snap remove core20 || true
+        fi
+
+        if command -v apt-get >/dev/null 2>&1; then
+          DEBIAN_FRONTEND=noninteractive timeout 120s $SUDO apt-get purge -y snapd || true
+        fi
+
+        echo "Disk space after cleanup:"
+        df -h /

.github/workflows/ci.yml

@@ -84,6 +84,9 @@ jobs:
       with:
         fetch-depth: 0
 
+    - name: Free disk space (Linux)
+      uses: ./.github/actions/host-cleanup-linux
+
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with: