enhancement: remove //terraform//main.tf from default encryption filters #2256

Job	Run time
Build cloud image	25s
GoReleaser build (ubuntu-latest)	8m 3s
GoReleaser build (macos-latest)	5m 9s
GoReleaser build (windows-latest)	14m 31s
Build dind image	28s
Build image	35m 53s
Lint	2m 32s
Unit test	7m 32s
Trivy fs scan	24s
	1h 14m 57s

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