Update dependency paho-mqtt to v2

.github/workflows/build-docker-image.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Login to GHCR

requirements.txt

@@ -1,3 +1,3 @@
-paho-mqtt==1.6.1
+paho-mqtt==2.1.0
 humanfriendly==10.0
 requests==2.28.2