Add CodeQL workflow.

.github/workflows/codeql.yml

@@ -0,0 +1,38 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ '1.0.0' ]
+  pull_request:
+    branches: [ '1.0.0' ]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'ruby' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+      with:
+        languages: ${{ matrix.language }}
+
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v3
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+      with:
+        category: "/language:${{matrix.language}}"

src/frost/voice/play.rb

@@ -36,5 +36,5 @@ def voice_play(data)
     end
   end
 
-  data.bot.voice_connect(data.user.voice_channel)
+  data.bot.voice_connect(data.user.voice_channel) if data.bot.voice(data.server).nil?
 end