feat: added google_artifact_registry_rule

[modular-magician]

Closes hashicorp/terraform-provider-google#26050

Tests

╰─❮ make testacc TEST=./google/services/artifactregistry TESTARGS='-run=TestAccArtifactRegistryRule_artifactRegistryRule'                                                                                                                                                    ─╯
sh -c "'/Users/ramon/go/src/github.com/hashicorp/terraform-provider-google/scripts/gofmtcheck.sh'"
==> Checking that code complies with gofmt requirements...
go vet
TF_ACC_REFRESH_AFTER_APPLY=1 TF_ACC=1 TF_SCHEMA_PANIC_ON_ERROR=1 go test ./google/services/artifactregistry -v -run=TestAccArtifactRegistryRule_artifactRegistryRule -timeout 240m -ldflags="-X=github.com/hashicorp/terraform-provider-google/version.ProviderVersion=acc"
=== RUN   TestAccArtifactRegistryRule_artifactRegistryRuleBasicExample
=== PAUSE TestAccArtifactRegistryRule_artifactRegistryRuleBasicExample
=== RUN   TestAccArtifactRegistryRule_artifactRegistryRuleFullExample
=== PAUSE TestAccArtifactRegistryRule_artifactRegistryRuleFullExample
=== RUN   TestAccArtifactRegistryRule_artifactRegistryRuleFull_update
=== PAUSE TestAccArtifactRegistryRule_artifactRegistryRuleFull_update
=== CONT  TestAccArtifactRegistryRule_artifactRegistryRuleBasicExample
=== CONT  TestAccArtifactRegistryRule_artifactRegistryRuleFull_update
=== CONT  TestAccArtifactRegistryRule_artifactRegistryRuleFullExample
--- PASS: TestAccArtifactRegistryRule_artifactRegistryRuleBasicExample (14.85s)
--- PASS: TestAccArtifactRegistryRule_artifactRegistryRuleFullExample (14.87s)
--- PASS: TestAccArtifactRegistryRule_artifactRegistryRuleFull_update (23.15s)
PASS
ok      github.com/hashicorp/terraform-provider-google/google/services/artifactregistry (cached)

`google_artifact_registry_rule`

Derived from GoogleCloudPlatform/magic-modules#16769