Added dockerfile and workflow to build Docker image with baked-in five-safes profile

[EttoreM]

Closes #135

Added dockerfile and workflow to build Docker image with baked-in profiles when releasing new version of Cratey-Validator.

[douglowe]

I've added a couple of comments below. I'd like us to make this build specific to five-safes rocrates, so the naming should reflect this. Also we need to make sure to copy across a tagged release of our five-safes profile, so that we can in future say which exact version of the profile this will test against.

[douglowe]

I've added a note regarding changing the location that the profile is extracted to.

On a broader compatibility note, I've tested building this container, and found that the five safes rocrate profile isn't compatible with the rocrate validator version in this container.

When I try to list the profiles I get the following error:

│ /usr/local/lib/python3.11/site-packages/rocrate_validator/profiles/five-safes-crate/must/15_meta │
│ data_file.py:17 in <module>                                                                      │
│                                                                                                  │
│   14                                                                                             │
│   15 import re                                                                                   │
│   16                                                                                             │
│ ❱ 17 import rocrate_validator.log as logging                                                     │
│   18 from rocrate_validator.models import Severity, ValidationContext                            │
│   19 from rocrate_validator.requirements.python import PyFunctionCheck, check, requirement       │
│   20                                                                                             │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
ModuleNotFoundError: No module named 'rocrate_validator.log'

Do we need to import rocrate_validator.log in this file? Is this an error that has already been fixed? If so we should make a new release which includes the fix.

[douglowe]

We need to put the profiles data into the default directory, otherwise they will not be found by the validator. In this case it is: /usr/local/lib/python3.11/site-packages/rocrate_validator/profiles/

I don't like the bare python version in this string, so I would add this line at the top of the build script:

ARG PY_VER=3.11

And then:

    -C /usr/local/lib/python${PY_VER}/site-packages/rocrate_validator/profiles/ \