LOG_PII and DEV_MODE require case sensitive values

[RobertKeyser]

Bug Description

I attempted to set LOG_PII and DEV_MODE to true by setting the environment variables FIDESOPS__LOG_PII and FIDESOPS__DEV_MODE; however, the startup logs still showed that both values were false. When I changed the value to True (note the capital T), it finally enabled LOG_PII and DEV_MODE.

Here is a snippet of my k8s deployment where I set the environment variables:

### Not Working ###
          env:
            - name: FIDESOPS__LOG_PII
              value: "true"
            - name: FIDESOPS__DEV_MODE
              value: "true"
              
### Working ###
          env:
            - name: FIDESOPS__LOG_PII
              value: "True"
            - name: FIDESOPS__DEV_MODE
              value: "True"

I'm assuming this also impacts FIDESOPS__HOT_RELOAD, but I haven't tested it. I also haven't tested when the values are set in the toml instead.

Steps to Reproduce

1. Spin up a new Fidesops instance and set FIDESOPS__LOG_PII to true

Expected behavior

LOG_PII and DEV_MODE should be set irrespective of casing of the environment variable. I'd expect any of the following to work (though all lowercase is the most important).

• true
• True
• TRUE
• false
• False
• FALSE

Screenshots

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Environment

• Version: 1.6.0
• OS:
• Python Version:
• Docker Version:

Additional context

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