feat: support apply environment nonce config

[9aoy]

Summary

export default {
  environments: {
    web: {
        security: {
            nonce: 'CSP_NONCE_PLACEHOLDER',
        },
    },
    web1: {
        security: {
            nonce: 'CSP_NONCE_PLACEHOLDER_1',
        },
    },
  },
};

Related Links

#2620

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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