feat: add migration scripts for upgrading to version 1.6.0 across mul… #3533

Job	Run time
codeql / code-security (python)	2m 5s
codeql / code-security (javascript)	2m 48s
build-containers (scheduler) / build	1m 40s
build-containers (autoconf) / build	1m 13s
build-containers (ui) / build	1m 15s
build-containers (bunkerweb) / build	35s
build-packages (fedora) / build	3m 53s
build-packages (debian) / build	3m 41s
build-packages (fedora-41) / build	3m 52s
build-packages (rhel) / build	3m 52s
build-packages (rhel9) / build	3m 35s
build-packages (ubuntu) / build	3m 39s
build-packages (ubuntu-jammy) / build	3m 40s
push-dev	52s
push-packages	0s
	36m 40s

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