Fix brackets in fluentd opensearch config #4683

Job	Run time
Check changed files	4s
Ansible 2.16 lint with Python 3.12	1m 36s
Ansible 2.15 lint with Python 3.10	1m 34s
Tox pep8 with Python 3.10	26s
Tox releasenotes with Python 3.10	28s
Tox docs with Python 3.10	27s
Build Kayobe Image / Build kayobe image	5m 39s
aio (Ubuntu Jammy OVN) / All in one	48m 52s
aio (Ubuntu Jammy OVS) / All in one	48m 55s
aio upgrade (Ubuntu Jammy OVS) / All in one	1h 36m 46s
aio (Rocky 9 OVS) / All in one	51m 41s
aio (Rocky 9 OVN) / All in one	52m 50s
aio upgrade (Rocky 9 OVN) / All in one	1h 42m 48s
Check container image tags / Check container image tags	0s
	6h 52m 6s

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