Upgrade pg_search to 0.15.0 #3022

Job	Run time
Find crates that changed	6s
Cargo publish or validate (./tembo-pod-init, tembo-pod-init)	24s
Cargo publish or validate (./tembo-operator, tembo-operator)	30s
Cargo publish or validate (./tembo-cli/tembodataclient, tembodataclient)	22s
Cargo publish or validate (./tembo-cli, tembo-cli)	23s
Cargo publish or validate (./tembo-cli/temboclient, temboclient)	22s
Cargo publish or validate (./dataplane-webserver, dataplane-webserver)	36s
Cargo publish or validate (./inference-gateway, inference-gateway)	19s
Cargo publish or validate (./conductor, conductor)	25s
Cargo publish or validate (./tembo-stacks, tembo-stacks)	2m 23s
Cargo publish or validate (./examples/create-extension/my_extension, my_extension)	21s
	6m 11s

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