Switch to libdragon toolchain generation. (#17)

Fix docker build workflow.

Fix tag.

Update build-docker.yml

Try fix docker build.

.github/workflows/build-docker.yml

@@ -0,0 +1,47 @@
+# Copyright (c) NetworkFusion 2023
+# See LICENSE file in the project root for full license information.
+
+name: Build Docker Container
+
+env:
+  GCR_FILE: Dockerfile
+  GCR_REPO: n64-tools
+  GCR_IMAGE: gcc-toolchain-mips64
+  GCR_VERSION: 12.0
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - '**Dockerfile'
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout Repository
+      uses: actions/checkout@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and Push Docker Image
+      uses: docker/build-push-action@v3
+      with:
+        file: ${{ env.GCR_FILE }}
+        push: true # Will only build if this is not here
+        tags: |
+          ghcr.io/${{ env.GCR_REPO }}/${{ env.GCR_IMAGE }}:${{ env.GCR_VERSION }}
+          ghcr.io/${{ env.GCR_REPO }}/${{ env.GCR_IMAGE }}:latest