fix: variable check for _timeout made explicit to exclude checkpoint timeout

[encima]

What kind of change does this PR introduce?

Bug fix

What is the current behavior?

Curren behaviour was using a general check fir _timeout to convert to string. With the addition of checkpoint_timeout, this was causing failures.

What is the new behavior?

Made timeout check explicit for statment_timeout and wal_sender_timeout so type failures do not occur

Additional context

Add any other context or screenshots.

[coveralls]

Pull Request Test Coverage Report for Build 19372411361

Details

• 0 of 1 (0.0%) changed or added relevant line in 1 file are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 55.051%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/postgresConfig/update/update.go	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
internal/gen/keys/keys.go	5	12.9%

Totals
Change from base Build 19354265713:	-0.03%
Covered Lines:	6507
Relevant Lines:	11820

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💛 - Coveralls