remove apache stage repo & update notification rule

[codecov[bot]]

Codecov Report

Merging #232 (7f22d59) into master (3d67f38) will increase coverage by 0.09%. The diff coverage is 40.00%.

@@             Coverage Diff              @@
##             master     #232      +/-   ##
============================================
+ Coverage     85.74%   85.83%   +0.09%     
  Complexity     3232     3232              
============================================
  Files           344      344              
  Lines         12079    12072       -7     
  Branches       1087     1087              
============================================
+ Hits          10357    10362       +5     
+ Misses         1197     1184      -13     
- Partials        525      526       +1     

Impacted Files	Coverage Δ
...che/hugegraph/computer/dist/HugeGraphComputer.java	92.45% <ø> (ø)
...e/hugegraph/computer/core/util/StringEncoding.java	17.30% <40.00%> (+2.05%)	:arrow_up:
...hugegraph/computer/core/network/TransportUtil.java	88.57% <0.00%> (-2.86%)	:arrow_down:
...h/computer/core/network/session/ClientSession.java	84.42% <0.00%> (+2.45%)	:arrow_up:
...che/hugegraph/computer/core/util/ShutdownHook.java	66.66% <0.00%> (+22.22%)	:arrow_up:

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