Fixed WAF config tests

[augustoscit]

Fixes Pre configured WAF tests that were failing due to recent backend changes (lack of http status on deny action)

Updates tests:

TestAccComputeSecurityPolicyRule_withPreconfiguredWafConfig
TestAccComputeSecurityPolicy_withPreconfiguredWafConfig
TestAccComputeRegionSecurityPolicyRule_withPreconfiguredWafConfig
TestAccComputeRegionSecurityPolicy_regionSecurityPolicyWithRulesPreconfiguredWafConfig
TestAccComputeRegionSecurityPolicy_regionSecurityPolicyWithRulesBasicUpdate
TestAccComputeRegionSecurityPolicy_regionSecurityPolicyRuleOrderingWithMultipleRules

Fixes: 28048

Fixes: 28475

Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

compute: fixes pre configured waf tests in `google_compute_region_security_policy`

compute: fixes pre configured waf tests in `google_compute_region_security_policy_rule`

compute: fixes pre configured waf tests in `google_compute_security_policy`

compute: fixes pre configured waf tests in `google_compute_security_policy_rule`

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[github-actions]

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