Diligence-fuzzing

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- Change `fuzz run` command behavior on contract targets absence (now it will emit warning instead of an error)
- Update documentation

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- Analytics collection support
- Add new fuzzer options

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- setUp method support for foundry tests
- Foundry profiles support
- Bump dependencies

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- Add more verbose error messages
- Fix factory deployed contracts discovery

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- Add config sources (.env, ENV variables, config file) parsing
- Add Foundry tests list to submitted campaign
- Fix foundry tests build arguments to include metadata
- Add Smart Mode and Auto Fixes to `fuzz`

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- Make `no-assert` mode default for `fuzz arm` command
- Drop support for Python 3.6
- Update dependencies
- Fix various bugs
- Improve error messages
- Remove `key` parameter from fuzzing config. Only `FUZZ_API_KEY` environment variable or `--key` command line argument is supported now.
- Finalize Foundry seamless integration