add tag_relation create table sql

[Ceilzcx]

fix #4659

Make sure that:

• You have read the contribution guidelines.
• 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 #4660 (5812820) into master (aa5dffb) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #4660   +/-   ##
=========================================
  Coverage     67.11%   67.12%           
- Complexity     8008     8009    +1     
=========================================
  Files          1099     1099           
  Lines         31695    31695           
  Branches       2872     2872           
=========================================
+ Hits          21273    21276    +3     
+ Misses         8749     8745    -4     
- Partials       1673     1674    +1     

Impacted Files	Coverage Δ
...pache/shenyu/admin/model/entity/TagRelationDO.java	75.00% <ø> (ø)

... and 3 files with indirect coverage changes

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