feat(ansible): add pgBackRest tasks and configurations #4345

Job	Run time
build-run-image (blacksmith-32vcpu-ubuntu-2404-arm, arm64)	3m 11s
build-run-image (blacksmith-32vcpu-ubuntu-2404, amd64)	2m 20s
build-run-image (macos-latest-xlarge, arm64)	3m 34s
run-testinfra / prepare	46s
run-tests / prepare	27s
run-tests / build ("15")	2m 7s
run-tests / build ("17")	2m 19s
run-tests / build ("orioledb-17")	2m 0s
run-testinfra / test-ami-nix ("15")	12m 30s
run-testinfra / test-ami-nix ("17")	13m 19s
run-testinfra / test-ami-nix ("orioledb-17")	48m 8s
build-run-image (blacksmith-32vcpu-ubuntu-2404, amd64)	2m 20s
build-run-image (blacksmith-32vcpu-ubuntu-2404-arm, arm64)	3m 11s
build-run-image (macos-latest-xlarge, arm64)	3m 34s
run-testinfra / prepare	46s
run-tests / prepare	27s
run-testinfra / test-ami-nix ("17")	48m 45s
run-testinfra / test-ami-nix ("15")	37m 30s
run-testinfra / test-ami-nix ("orioledb-17")	48m 8s
run-tests / build ("15")	2m 7s
run-tests / build ("17")	2m 19s
run-tests / build ("orioledb-17")	2m 0s
	4h 1m 48s

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