[TC] version update to 1.4.7-dev (#222) #119

Job	Run time
post-merge-pipeline / sanitize-project-folder	3s
post-merge-pipeline / version-bump	0s
post-merge-pipeline / bandit	23s
post-merge-pipeline / zizimor-scan	26s
post-merge-pipeline / scorecard	44s
post-merge-pipeline / trivy-filesystem-scan	38s
post-merge-pipeline / semgrep	3m 42s
post-merge-pipeline / run-repo-pipelines	6m 26s
post-merge-pipeline / scan-images	-1s
post-merge-pipeline / notify-teams	-1s
	12m 20s

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