fix npe in webhook that was accidental

[delve-auditor[bot]]

✅ No security or compliance issues detected. Reviewed everything up to 98fab03664949412c463c8fd68244819fb22efc2.

Security Overview

- 🔎 **Scanned files:** 1 changed file(s)

Detected Code Changes

| Change Type | Relevant files | |------------|----------------| | Bug Fix | ► github.go
    Fix webhook response handling
► terraform.go
    Fix plan output changes handling
► controllers/github.go
    Remove max projects validation and fix error handling | | Refactor | ► envgetters.go
    Remove unused environment configuration file |

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