ci: add test coverage reporting to CI

[Farhad-Shabani]

Resolves: #655

[Farhad-Shabani]

@fakedev9999, looks like the "Cargo Tests" were skipped because of this error. Now I see the same error popping up in CI that I was talking about earlier when running things locally.

[github-actions]

Metric	Value
Batch Start	9,192,859
Batch End	9,192,864
Witness Generation (seconds)	0
Execution Duration (seconds)	19
Total Instruction Count	397,961,969
Oracle Verify Cycles	39,793,595
Derivation Cycles	285,835,705
Block Execution Cycles	7,277,057
Blob Verification Cycles	23,288,888
Total SP1 Gas	618,952,871
Number of Blocks	5
Number of Transactions	5
Ethereum Gas Used	236,128
Cycles per Block	79,592,393
Cycles per Transaction	79,592,393
Transactions per Block	1
Gas Used per Block	47,225
Gas Used per Transaction	47,225
BN Pair Cycles	0
BN Add Cycles	0
BN Mul Cycles	0
KZG Eval Cycles	0
EC Recover Cycles	0
P256 Verify Cycles	0