chore(deps): update gentoo/stage3:latest docker digest to c26fc21 (#1… #6224

Job	Run time
Check for file changes	2s
Check hyperlinks	39s
Check pull request title	0s
Check depencencies	52s
Lint the Dockerfile code	29s
Lint the yaml code	4s
Lint the shell code	9s
Check the documentation	0s
Test source on OpenBSD	0s
Test source on NetBSD	0s
Test source on FreeBSD	0s
Test ${{ matrix.job-purpose }} on ${{ matrix.os-friendly-name }}	0s
Docker image for Gentoo	3h 1m 18s
Docker image for Alpine	5s
Docker image for Amazon Linux	2s
Docker image for Arch	3s
Docker image for Clear Linux	3s
Docker image for Debian	5s
Docker image for Fedora	5s
Docker image for Kali	3s
Docker image for Manjaro	3s
Docker image for Oracle Linux	3s
Docker image for Red Hat Enterprise	2s
Docker image for Rocky Linux	5s
Docker image for SUSE Enterprise	6s
Docker image for Ubuntu	3m 51s
Docker image for openSUSE Leap	2s
Docker image for openSUSE Tumbleweed	3s
	3h 8m 14s

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