ci: ensure we log into docker.io

Signed-off-by: Patrick Stephens <pat@fluent.do>

Author: patrick-stephens

.github/workflows/call-build-containers.yaml

@@ -69,6 +69,12 @@ jobs:
       # - name: Set up Docker Buildx
       #   uses: docker/setup-buildx-action@v3
 
+      - name: Log in to docker.io for authorised pulls
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:

.github/workflows/call-build-linux-packages.yaml

@@ -51,6 +51,12 @@ jobs:
           replace-with: "$1-$2"
           flags: "g"
 
+      - name: Log in to docker.io for authorised pulls
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Log in to the GHCR registry
         uses: docker/login-action@v3
         with: