Rename time created

Required for:

• visionx!157 (merged)
• https://git.h2t.iar.kit.edu/sw/armarx/speechx/-/merge_requests/19
• sw/armarx/skills/control!26 (merged)
• sw/armarx/skills/manipulation!13 (merged)
• sw/armarx/skills/navigation!73 (merged)
• https://git.h2t.iar.kit.edu/sw/armarx/skills/observational-learning/-/merge_requests/3
• sw/armarx/skills/view-selection!17 (merged)
• https://git.h2t.iar.kit.edu/sw/armarx/skills/movement-primitive-library/-/merge_requests/1
• python3-armarx!36 (merged)

Note: I accidentally merged the ltm branch. I reverted these changes with the last commit