doc: update apache site link

[imbajin]

No description provided.

[codecov]

Codecov Report

Merging #1867 (97f8a88) into master (58f08d5) will decrease coverage by 4.04%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1867      +/-   ##
============================================
- Coverage     70.97%   66.93%   -4.05%     
  Complexity      980      980              
============================================
  Files           447      447              
  Lines         38072    38072              
  Branches       5401     5401              
============================================
- Hits          27022    25483    -1539     
- Misses         8403    10074    +1671     
+ Partials       2647     2515     -132     

Impacted Files	Coverage Δ
...hugegraph/backend/store/raft/RaftStoreClosure.java	0.00% <0.00%> (-100.00%)	⬇️
...ugegraph/backend/store/rocksdb/RocksDBMetrics.java	0.00% <0.00%> (-85.87%)	⬇️
...baidu/hugegraph/backend/store/raft/RaftResult.java	0.00% <0.00%> (-81.25%)	⬇️
...ugegraph/backend/store/raft/RaftSharedContext.java	0.00% <0.00%> (-80.00%)	⬇️
...gegraph/backend/store/rocksdb/RocksDBFeatures.java	8.33% <0.00%> (-79.17%)	⬇️
...hugegraph/backend/store/raft/RaftBackendStore.java	0.00% <0.00%> (-75.00%)	⬇️
...hugegraph/backend/store/raft/rpc/RpcForwarder.java	0.00% <0.00%> (-69.50%)	⬇️
...h/backend/store/raft/RaftBackendStoreProvider.java	0.00% <0.00%> (-67.65%)	⬇️
.../backend/store/raft/rpc/StoreCommandProcessor.java	0.00% <0.00%> (-65.22%)	⬇️
...ugegraph/backend/store/raft/StoreStateMachine.java	0.00% <0.00%> (-63.40%)	⬇️
... and 43 more

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