fix: Allow witness_generator to use Prometheus push gateway in continuous mode #23547

Job	Run time
Get changed files	33s
Build contract verifier	0s
Build TEE Prover images	0s
Build core images	0s
CI for Core Components	0s
CI for Core lint Components	0s
CI for Docs	0s
CI for Common Components (prover or core) / build	1s
Build prover images with avx512 instructions / Get protocol version	22s
Build prover images / Get protocol version	1s
CI for Prover Components / unit-tests	1s
CI for Prover Components / lint	1s
E2E Test for Prover Components / e2e-test (fflonk)	1m 3s
E2E Test for Prover Components / e2e-test (plonk)	46s
Build prover images / Build and Push Docker Images	1s
Build prover images with avx512 instructions / Build and Push Docker Images	1s
Github Status Check	1s
	2m 51s

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