Bump plugins version to v1.6.2

[github-actions]

Update plugins version

Bump to latest plugins version in Makefile

1 file(s) updated with "TAG := v1.6.2$$(BUILD_META)": * Makefile

Bump to latest plugins version in Dockerfile

changed lines [19] of file "/tmp/updatecli/github/rancher/image-build-cni-plugins/Dockerfile"

v1.6.2

Release published on the 2025-01-06 16:12:57 +0000 UTC at the url https://github.com/containernetworking/plugins/releases/tag/v1.6.2

(administrative note: release v1.6.1 was somehow double-created in GitHub; v1.6.2 is identical but fixes the duplication.)

## What's Changed
* portmap: fix nftables backend by @champtar in https://github.com/containernetworking/plugins/pull/1116
* ipmasq: fix nftables backend by @champtar in https://github.com/containernetworking/plugins/pull/1120
* portmap: fix iptables conditions detection by @champtar in https://github.com/containernetworking/plugins/pull/1117


**Full Changelog**: https://github.com/containernetworking/plugins/compare/v1.6.0...v1.6.2

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