Update README to fix Docker Hub links (#1039)

* Update README to fix Docker Hub links

Links were pointing to a location that required Docker Hub login. Change to public link.

* Update README.md

* Update README.md

* Update README.md

* Update README.md

Co-authored-by: Owen Rumney <owen.rumney@aquasec.com>
Co-authored-by: Owen Rumney <owen@owenrumney.co.uk>

README.md

@@ -69,10 +69,10 @@ There are a number of Docker options available
 
 | Image Name | Base | Comment |
 |------------|------|---------|
-|[tfsec/tfsec](https://hub.docker.com/repository/docker/tfsec/tfsec)|alpine|Normal tfsec image|
-|[tfsec/tfsec-alpine](https://hub.docker.com/repository/docker/tfsec/tfsec-alpine)|alpine|Exactly the same as tfsec/tfsec, but for those whole like to be explicit|
-|[tfsec/tfsec-ci](https://hub.docker.com/repository/docker/tfsec/tfsec-ci)|alpine|tfsec with no entrypoint - useful for CI builds where you want to override the command|
-|[tfsec/tfsec-scratch](https://hub.docker.com/repository/docker/tfsec/tfsec-scratch)|scratch|An image built on scratch - nothing frilly, just runs tfsec|
+|[tfsec/tfsec](https://hub.docker.com/r/aquasec/tfsec)|alpine|Normal tfsec image|
+|[tfsec/tfsec-alpine](https://hub.docker.com/r/aquasec/tfsec-alpine)|alpine|Exactly the same as tfsec/tfsec, but for those whole like to be explicit|
+|[tfsec/tfsec-ci](https://hub.docker.com/r/aquasec/tfsec-ci)|alpine|tfsec with no entrypoint - useful for CI builds where you want to override the command|
+|[tfsec/tfsec-scratch](https://hub.docker.com/r/aquasec/tfsec-scratch)|scratch|An image built on scratch - nothing frilly, just runs tfsec|
 
 To run: