fix(server): restrict SQLite database file permissions to 0o600 #1456

Job	Run time
Resolve PR metadata	6s
build-gateway	0s
build-supervisor	0s
e2e	0s
Resolve PR metadata	6s
build-gateway / Resolve build plan	3s
build-supervisor / Resolve build plan	4s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	3m 17s
build-gateway / Rust gateway (arm64) / gateway (arm64)	4m 58s
build-supervisor / Build supervisor (arm64)	1m 24s
build-gateway / Build gateway (arm64)	1m 27s
build-supervisor / Merge ${{ inputs.component }} manifest	0s
e2e / E2E (python)	6m 20s
build-gateway / Merge ${{ inputs.component }} manifest	0s
e2e / E2E (rust-podman)	9m 17s
e2e / E2E (rust-docker)	7m 18s
	34m 20s

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