fix: dependency warnings in useEffectHooks

[markphelps]

Fix linter errors for useEffect deps

Before

> [email protected] lint
> eslint src


/Users/markphelps/workspace/flipt-ui/src/app/console/Console.tsx
  56:6  warning  React Hook useCallback has missing dependencies: 'clearError' and 'setError'. Either include them or remove the dependency array  react-hooks/exhaustive-deps

/Users/markphelps/workspace/flipt-ui/src/app/flags/Evaluation.tsx
  105:6  warning  React Hook useCallback has a missing dependency: 'flag'. Either include it or remove the dependency array    react-hooks/exhaustive-deps
  159:6  warning  React Hook useEffect has a missing dependency: 'loadData'. Either include it or remove the dependency array  react-hooks/exhaustive-deps

/Users/markphelps/workspace/flipt-ui/src/app/flags/Flag.tsx
  45:6  warning  React Hook useCallback has missing dependencies: 'clearError', 'flag.key', and 'setError'. Either include them or remove the dependency array  react-hooks/exhaustive-deps

/Users/markphelps/workspace/flipt-ui/src/app/flags/Flags.tsx
  23:6  warning  React Hook useEffect was passed a dependency list that is not an array literal. This means we can't statically verify whether you've passed the correct dependencies  react-hooks/exhaustive-deps
  23:6  warning  React Hook useEffect has missing dependencies: 'clearError', 'error', and 'setError'. Either include them or remove the dependency array                              react-hooks/exhaustive-deps

/Users/markphelps/workspace/flipt-ui/src/app/segments/Segment.tsx
  63:6  warning  React Hook useCallback has missing dependencies: 'clearError', 'segment.key', and 'setError'. Either include them or remove the dependency array  react-hooks/exhaustive-deps

/Users/markphelps/workspace/flipt-ui/src/app/segments/Segments.tsx
  23:6  warning  React Hook useEffect was passed a dependency list that is not an array literal. This means we can't statically verify whether you've passed the correct dependencies  react-hooks/exhaustive-deps
  23:6  warning  React Hook useEffect has missing dependencies: 'clearError', 'error', and 'setError'. Either include them or remove the dependency array                              react-hooks/exhaustive-deps

✖ 9 problems (0 errors, 9 warnings)

After

> [email protected] lint
> eslint src

[darinmclain]

LGTM