Plugin Support

...G...... [ZBX-25443] upgraded go version to 1.21

* commit 'a82d5f49661ac51b2f3715501bd8289a8ef4f1aa':
  ...G...... [ZBX-25443] added change log
  ...G...... [ZBX-25443] upgraded go version to 1.21

(cherry picked from commit b4cbb92143f74e2233c7f66cce2528c0e0257f88)