Add constraint-solver-iterations CI check #4900

Job	Run time
Build dependencies	2m 40s
license-check	10s
cc-sim-topologies simulation matrix generation	15s
Basic linting	28s
bittide-instances hardware-in-the-loop test matrix generation	14s
bittide-instances synthesis matrix generation	13s
License year check	10s
Simulate network (complete, 16, 1000000, --nodes 2 --clock-offsets [-2,2] --frame-size 1500)	1m 45s
bittide-experiments unittests	1m 32s
Bittide tests	5m 49s
Firmware Support Unit Tests	2m 56s
Rust Lints	1m 31s
bittide-instances doctests	1m 31s
bittide-instances unittests	1m 29s
synth (fullMeshHwCcTest, test, All)	13m 52s
Firmware Limit Checks	1m 29s
synth (fullMeshSwCcTest, test, All)	13m 49s
Host Tools Unit Tests	1m 29s
synth (hwCcTopologyTest, test, All)	13m 50s
synth (linkConfigurationTest, test, All)	13m 51s
synth (safeDffSynchronizer, hdl)	1m 50s
synth (transceiversUpTest, test, All)	13m 51s
synth (vexRiscvTest, test, Specific [-1])	8m 42s
HITL	1s
Generate clock control simulation report	1s
All jobs finished	1s
	1h 43m 29s

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