feat: re-enable and update gmic #26

Job	Run time
🖥 Get snap architectures	4s
🖥 Get snap architectures	4s
🖥 Get snap architectures	4s
🚢 Release to preview/candidate (arm64)	1h 7m 10s
🚢 Release to preview/candidate (arm64)	1h 7m 10s
🚢 Release to preview/candidate (arm64)	1h 7m 10s
🚢 Release to preview/candidate (amd64)	2h 52m 32s
🚢 Release to preview/candidate (amd64)	2h 52m 32s
🚢 Release to preview/candidate (amd64)	2h 52m 32s
📣 Create call for testing	21s
📣 Create call for testing	21s
📣 Create call for testing	21s
📸 Gather screenshots	24s
📸 Gather screenshots	25s
📸 Gather screenshots	7m 0s
	12h 8m 10s

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