Set provenance to false on docker/build-push-action

Builds were failing with the error:

> OCI index found, but Accept header does not support OCI indexes

The suggested fix is to temporarily disable provenance until better
support for OCI indexes arrives.

docker/buildx#1533

.github/workflows/deploy_to_dev.yml

@@ -28,7 +28,9 @@ jobs:
           terraform_version: 0.14.0
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
+        with:
+          version: v0.9.1 # More recent buildx versions generate an OCI manifest
 
       - name: Login to DockerHub
         uses: docker/login-action@v1
@@ -46,6 +48,7 @@ jobs:
           push: true
           tags: dfedigital/early-careers-framework-dev:builder
           target: builder
+          provenance: false
 
       - name: Build and push docker image from early-careers-framework-gems-node-modules target
         uses: docker/build-push-action@v2

.github/workflows/review.yml

@@ -35,6 +35,8 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
+        with:
+          version: v0.9.1 # More recent buildx versions generate an OCI manifest
 
       - name: Login to DockerHub
         uses: docker/login-action@v1