Changes for 6.4.2

[ZBX-22373] updated go.mod/sum to allow mixing session and key parameter for Zabbix agent 2 items (esneiders)

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Changes for 6.4.1rc1

6.4.0 was released as 6.4.1 without any changes

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Changes for 6.4.0

6.4.0beta6 released as 6.4.0 without any changes

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Changes for 6.4.0beta6

[ZBXNEXT-826] switched to Zabbix versioning (yurii)
[ZBXNEXT-6942] added TLS support (esneiders)

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Changes for 1.2.0

[ZBXNEXT-826] updated to plugin support library version 1.2 (yurii)
[ZBXNEXT-826] added Makefile (yurii)

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Changes for 1.1.0

[ZBXNEXT-826] updated to plugin support library version 1.1 (yurii)

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Changes for 1.0.0

initial release

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