fix: wrong taxonomy label case in product attributes #1155

Job	Run time
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP8.1	3m 35s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP8.1 with HPOS activated	4m 5s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP8.1 in Debug Mode	3m 21s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP8.1	3m 20s
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP8.0	3m 23s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP8.0 with HPOS activated	3m 23s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP8.0	3m 50s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP8.0	3m 48s
Running Automated Tests w/ WPBrowser in WordPress v6.3 on PHP7.4	5m 44s
Running Automated Tests w/ WPBrowser in WordPress v6.2 on PHP7.4 with HPOS activated with Codecoverage	16m 5s
Running Automated Tests w/ WPBrowser in WordPress v6.1 on PHP7.4	5m 19s
Running Automated Tests w/ WPBrowser in WordPress v6.0 on PHP7.4	5m 3s
	1h 0m 56s

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