Fix #7265 fatal error with 3.18.1.2 · wp-media/wp-rocket@4bb662f

The job was canceled because "ubuntu-latest_7_3_5_8" failed.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

Test: tests/Integration/inc/Engine/Common/PerformanceHints/Frontend/Subscriber/maybe_apply_optimizations.php#L95

Failed asserting that two strings are identical.

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/

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