update(rule_loader): deprecate the `append` flag in falco rules #2291

Job	Run time
fetch-version / fetch-version	23s
build-dev-minimal / build-and-test	3m 12s
build-dev / build-and-test	5m 43s
build-dev-minimal-arm64 / build-and-test	2m 37s
build-dev-packages / build-modern-bpf-skeleton	2m 17s
build-dev-packages / build-macos-package	15m 20s
build-dev-packages / build-musl-package	25m 16s
build-dev-packages / build-wasm-package	4m 59s
build-dev-packages / build-win32-package	9m 33s
build-dev-packages-arm64 / build-macos-package	0s
build-dev-packages-arm64 / build-modern-bpf-skeleton	2m 21s
build-dev-packages-arm64 / build-wasm-package	0s
build-dev-packages-arm64 / build-musl-package	0s
build-dev-packages-arm64 / build-win32-package	0s
build-dev-packages / build-packages	21m 52s
build-dev-packages-arm64 / build-packages	18m 3s
check-engine-checksum	4s
check-engine-version	3s
test-dev-packages / test-packages	2m 40s
test-dev-packages (static) / test-packages	1m 18s
test-dev-packages-arm64 / test-packages	1m 12s
	1h 56m 53s

Provide feedback