fix(terraform): Update FunctionAppsAccessibleOverHttps

[ihortelanog]

Crash with policy CKV_AZURE_70 #6492

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Description

This fix solved the issue Crash with policy CKV_AZURE_70 #6492

Fixes # 6492

New/Edited policies (Delete if not relevant)

Description

This error occurs because the keys() method is being executed on a non-dictionary value.

Fix

How does someone fix the issue in code and/or in runtime?

Checklist:

• [ x] I have performed a self-review of my own code
• [ x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my feature, policy, or fix is effective and works
• [ ] New and existing tests pass locally with my changes

[maxamel]

Is there a test checking this? If not, can one be added based on the code snippet that failed before this fix?