Update hairyhenderson/gomplate from 3.11.5 to 3.11.6

The following dependencies have been updated by deps:

• hairyhenderson/gomplate from 3.11.5 to 3.11.6

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v3.11.6 Changelog

Backport Go 1.21 and security updates to 3.11.x by @hairyhenderson in #1910
backport: Add support for Linux s390x by @hairyhenderson in #1909