fix: update flow gradle plugin after id change

[ZheSun88]

this test is based on vaadin/flow#21096

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.89%. Comparing base (9f8f7a9) to head (4e84588).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3333   +/-   ##
=======================================
  Coverage   86.89%   86.89%           
=======================================
  Files         115      115           
  Lines        8289     8289           
  Branches     1271     1271           
=======================================
  Hits         7203     7203           
  Misses       1072     1072           
  Partials       14       14           

Flag	Coverage Δ
unittests	86.89% <ø> (ø)

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[ZheSun88]

need the flow PR to be merged
then remove the change from pom on flow.version..

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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