fix(ci): add libasound2-dev for Linux and fix macOS keychain search list

Add missing libasound2-dev to Linux system deps (required by alsa-sys crate).
Add ci_signing.keychain to keychain search list to fix errSecInternalComponent
during codesign on self-hosted macOS runner.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: pythoninthegrass

.github/actions/setup-tauri-build/action.yml

@@ -28,7 +28,7 @@ runs:
         sudo apt-get update
         sudo apt-get install -y libwebkit2gtk-4.1-dev build-essential curl wget file \
           libxdo-dev libssl-dev libayatana-appindicator3-dev librsvg2-dev \
-          cmake zlib1g-dev libgtk-3-dev
+          libasound2-dev cmake zlib1g-dev libgtk-3-dev
 
     - name: Install Windows system dependencies
       if: runner.os == 'Windows'

.github/workflows/release.yml

@@ -50,6 +50,7 @@ jobs:
           security default-keychain -s ci_signing.keychain
           security unlock-keychain -p "$KEYCHAIN_PASSWORD" ci_signing.keychain
           security set-keychain-settings -t 3600 -u ci_signing.keychain
+          security list-keychains -d user -s ci_signing.keychain login.keychain
           security import certificate.p12 -k ci_signing.keychain \
             -P "$APPLE_CERTIFICATE_PASSWORD" -T /usr/bin/codesign
           security set-key-partition-list -S apple-tool:,apple:,codesign: \