build: update workflow dependencies to the latest versions (#65)

.github/workflows/bot.yml

@@ -20,28 +20,28 @@ jobs:
           - red
           - sinusbot
     steps:
-      - uses: actions/checkout@v2
-      - uses: docker/setup-buildx-action@v1
+      - uses: actions/checkout@v3
+      - uses: docker/setup-buildx-action@v2
         with:
-          version: "v0.7.0"
+          version: "v0.8.2"
           buildkitd-flags: --debug
       - name: Set up QEMU
         uses: docker/setup-qemu-action@master
         with:
           platforms: arm64,amd64
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-      - uses: docker/login-action@v1
+      - uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.REGISTRY_TOKEN }}
-      - uses: docker/build-push-action@v2
+      - uses: docker/build-push-action@v3
         with:
           context: ./bot/${{ matrix.tag }}
           file: ./bot/${{ matrix.tag }}/Dockerfile