[type: build] Support user-defined jvm param in startup scripts

[JooKS-me]

Resolve #3916

Use environment variables to pass JVM parameters, corresponding to ADMIN_JVM in shenyu-admin and BOOT_JVM in shenyu-bootstrap.

In docker, we just need to add -e to set environment variables.

In docker-compose, we just need to add environment config.

[codecov-commenter]

Codecov Report

Merging #3924 (9e1f952) into master (9f39f55) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #3924      +/-   ##
============================================
- Coverage     70.42%   70.40%   -0.03%     
  Complexity     6765     6765              
============================================
  Files           923      923              
  Lines         25373    25373              
  Branches       2310     2310              
============================================
- Hits          17869    17863       -6     
- Misses         6133     6138       +5     
- Partials       1371     1372       +1     

Impacted Files	Coverage Δ
...che/shenyu/sync/data/http/HttpSyncDataService.java	85.71% <0.00%> (-4.09%)	⬇️
...henyu/admin/service/impl/UpstreamCheckService.java	62.66% <0.00%> (-1.34%)	⬇️

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