feat(secrets): handle non iac secrets FP

[maxamel]

This PR adds ability to filter out FPs in non-iac files for cases where secrets are not compatible with Base64 Entropy case

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• 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
• Any dependent changes have been merged and published in downstream modules

[YaaraVerner]

Suggested change

	if detected_secret.secret_value:
	# Found keyword prefix as potential secret
	if formatted_line.startswith(detected_secret.secret_value):
	secrets_to_remove.add(detected_secret)
	# found a function name at the end of the line
	if formatted_line and FUNCTION_CALL_AFTER_KEYWORD_REGEX.search(formatted_line):
	secrets_to_remove.add(detected_secret)
	# secret value is substring of keywork
	if is_code_file and FOLLOWED_BY_EQUAL_VALUE_KEYWORD_REGEX.search(formatted_line):
	key, value = line.split("=", 1)
	if detected_secret.secret_value in key and detected_secret.secret_value in value:
	secrets_to_remove.add(detected_secret)
	if not detected_secret.secret_value:
	continue
	# Found keyword prefix as potential secret
	if formatted_line.startswith(detected_secret.secret_value):
	secrets_to_remove.add(detected_secret)
	# found a function name at the end of the line
	if formatted_line and FUNCTION_CALL_AFTER_KEYWORD_REGEX.search(formatted_line):
	secrets_to_remove.add(detected_secret)
	# secret value is substring of keywork
	if is_code_file and FOLLOWED_BY_EQUAL_VALUE_KEYWORD_REGEX.search(formatted_line):
	key, value = line.split("=", 1)
	if detected_secret.secret_value in key and detected_secret.secret_value in value:
	secrets_to_remove.add(detected_secret)