Added logging for statesyncs data

[0xsharma]

Added the following logs in Bor:

• Number of state-syncs in a given sprint.
• Total gas used by state-syncs in Bor.

Linear Task Link

[linear]

POS-374 Add logging in datadog for state sync

We need to start logging additional details about state sync for helping in debugging. We can create a notion page to discuss if this linear task is not sufficient.

1. time to fetch Heimdall state syncs in bor
2. number of attempts before a successful fetching state sync transactions
3. how many state sync transactions were fetched in total for a span
4. gas used in bor

[codecov-commenter]

Codecov Report

Merging #407 (59337a7) into master (f083705) will increase coverage by 0.06%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #407      +/-   ##
==========================================
+ Coverage   56.71%   56.77%   +0.06%     
==========================================
  Files         578      578              
  Lines       68317    68326       +9     
==========================================
+ Hits        38743    38793      +50     
+ Misses      26219    26191      -28     
+ Partials     3355     3342      -13     

Impacted Files	Coverage Δ
consensus/bor/bor.go	6.15% <0.00%> (-0.08%)	⬇️
consensus/bor/clerk.go	0.00% <0.00%> (ø)
consensus/bor/errors.go	0.00% <0.00%> (ø)
consensus/bor/genesis_contracts_client.go	0.00% <0.00%> (ø)
rpc/ipc.go	61.53% <0.00%> (-15.39%)	⬇️
rpc/server.go	72.50% <0.00%> (-5.00%)	⬇️
p2p/discover/table.go	82.48% <0.00%> (-1.83%)	⬇️
trie/proof.go	73.94% <0.00%> (-0.71%)	⬇️
p2p/server.go	65.02% <0.00%> (-0.43%)	⬇️
core/tx_pool.go	70.94% <0.00%> (-0.41%)	⬇️
... and 16 more

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