fix when shenyu register by consul, the prop 'metadata-path' config is invalid and error occurred in MetaDataRegister when the path had special symbol '{}',such as '/path/{id}/{name}'

[yu1183688986]

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• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[codecov-commenter]

Codecov Report

Merging #4885 (7153675) into master (7822ec0) will decrease coverage by 0.12%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##             master    #4885      +/-   ##
============================================
- Coverage     64.02%   63.90%   -0.12%     
- Complexity     8236     8240       +4     
============================================
  Files          1168     1169       +1     
  Lines         34459    34541      +82     
  Branches       3091     3107      +16     
============================================
+ Hits          22062    22075      +13     
- Misses        10636    10702      +66     
- Partials       1761     1764       +3     

Files Changed	Coverage Δ
.../client/consul/ConsulClientRegisterRepository.java	26.82% <50.00%> (ø)

... and 6 files with indirect coverage changes

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