feat: Add migration scripts for upgrading to version 1.6.1-rc2 with n… #3619

Job	Run time
codeql / code-security (python)	22s
codeql / code-security (javascript)	3m 0s
build-containers (bunkerweb) / build	1m 7s
build-containers (autoconf) / build	1m 10s
build-containers (scheduler) / build	2m 4s
build-containers (ui) / build	1m 46s
build-packages (debian) / build	7m 5s
build-packages (fedora) / build	6m 40s
build-packages (fedora-41) / build	6m 49s
build-packages (rhel) / build	7m 12s
build-packages (rhel9) / build	6m 52s
build-packages (ubuntu) / build	7m 34s
build-packages (ubuntu-jammy) / build	6m 28s
push-dev	1m 18s
push-packages (el9, amd64) / push	54s
push-packages (fedora, amd64) / push	39s
push-packages (debian, amd64) / push	48s
push-packages (el, amd64) / push	37s
push-packages (fedora-41, amd64) / push	54s
push-packages (ubuntu, amd64) / push	52s
push-packages (ubuntu-jammy, amd64) / push	44s
	1h 4m 55s

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