[launcher] Trim CCEL padding (#725) #77

Job	Run time
Lint CGO (ubuntu-latest, Go 1.24.x)	3m 30s
Generate/Build/Test (ubuntu-latest, x64, Go 1.24.x)	2s
Generate/Build/Test (macos-14-large, x64, Go 1.24.x)	3s
Generate/Build/Test (ubuntu-latest, x32, Go 1.24.x)	1s
Generate/Build/Test (macos-latest, arm64, Go 1.24.x)	2s
Lint ./launcher (ubuntu-latest, Go 1.24.x)	4m 23s
Lint ./ (ubuntu-latest, Go 1.24.x)	3m 34s
Lint ./keymanager (ubuntu-latest, Go 1.24.x)	3m 21s
Lint ./cmd (ubuntu-latest, Go 1.24.x)	4m 2s
	18m 58s

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