add github token for license check comment

[JackyYangPassion]

the token that license eye uses when it needs to comment on the pull request. Set to empty ("") to disable commenting on pull request. The default value is ${{ github.token }}

[codecov]

Codecov Report

Merging #2139 (ec03b03) into master (1d52476) will decrease coverage by 13.13%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             master    #2139       +/-   ##
=============================================
- Coverage     66.57%   53.44%   -13.13%     
+ Complexity      979      652      -327     
=============================================
  Files           481      481               
  Lines         39704    39704               
  Branches       5581     5581               
=============================================
- Hits          26432    21220     -5212     
- Misses        10687    16238     +5551     
+ Partials       2585     2246      -339     

Impacted Files	Coverage Δ
...he/hugegraph/util/FixedWatchWindowRateLimiter.java	0.00% <0.00%> (-100.00%)	⬇️
...hugegraph/backend/store/raft/RaftStoreClosure.java	0.00% <0.00%> (-100.00%)	⬇️
...hugegraph/job/schema/OlapPropertyKeyCreateJob.java	0.00% <0.00%> (-100.00%)	⬇️
...hugegraph/job/schema/OlapPropertyKeyRemoveJob.java	0.00% <0.00%> (-100.00%)	⬇️
...ugegraph/backend/store/memory/InMemoryMetrics.java	0.00% <0.00%> (-100.00%)	⬇️
...egraph/backend/store/scylladb/ScyllaDBMetrics.java	0.00% <0.00%> (-100.00%)	⬇️
...graph/backend/store/scylladb/ScyllaDBFeatures.java	0.00% <0.00%> (-100.00%)	⬇️
...ackend/store/cassandra/CassandraStoreProvider.java	0.00% <0.00%> (-100.00%)	⬇️
.../hugegraph/backend/store/raft/StoreSerializer.java	0.00% <0.00%> (-98.42%)	⬇️
.../backend/store/scylladb/ScyllaDBStoreProvider.java	0.00% <0.00%> (-96.16%)	⬇️
... and 163 more

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[imbajin]

Good, but how does it take effect in #2130? (related to the submit person?)

[imbajin]

@JackyYangPassion seems the problem still exist after this PR merged, and found another problem (validation not right)

1. we shouldn't allow Copyright appear in the header

refer here:

So as other invalid/extra words, it should alert error

2. lack of the header

now we have the github.token in it, however it also failed to comment, and follow the previous comments question, seems something we should still dig it out

refer:

1. current action url
2. person PR without token but with comments (lack write permission?)