build: enable release-please app with manifest config (#5456)

This configuration allows release-please to more efficiently propose pull releases from the GitHub app.

Requires: googleapis/release-please#1287

.github/release-please.yml

@@ -0,0 +1,9 @@
+handleGHRelease: true
+manifest: true
+
+branches:
+  - branch: main
+    handleGHRelease: true
+    manifest: true
+    manifestFile: .release-please-manifest-submodules.json
+    manifestConfig: release-please-config-submodules.json

.release-please-manifest-submodules.json

@@ -0,0 +1,111 @@
+{
+  "accessapproval": "1.0.1",
+  "accesscontextmanager": "1.0.0",
+  "aiplatform": "1.3.0",
+  "analytics": "0.3.0",
+  "apigateway": "1.0.1",
+  "apigeeconnect": "1.0.0",
+  "appengine": "1.0.0",
+  "area120": "0.1.0",
+  "artifactregistry": "1.1.0",
+  "asset": "1.0.2",
+  "assuredworkloads": "0.3.0",
+  "automl": "1.1.0",
+  "bigquery": "1.27.0",
+  "bigtable": "1.13.0",
+  "billing": "1.0.0",
+  "binaryauthorization": "0.2.0",
+  "channel": "1.3.0",
+  "cloudbuild": "1.0.0",
+  "clouddms": "1.0.0",
+  "cloudtasks": "1.1.0",
+  "compute": "1.2.0",
+  "contactcenterinsights": "1.0.0",
+  "container": "1.0.0",
+  "containeranalysis": "0.1.1",
+  "datacatalog": "1.1.0",
+  "dataflow": "0.1.0",
+  "datafusion": "1.1.0",
+  "datalabeling": "0.1.1",
+  "dataplex": "0.1.0",
+  "dataproc": "1.2.0",
+  "dataqna": "0.1.0",
+  "datastore": "1.6.0",
+  "datastream": "0.1.1",
+  "deploy": "1.0.0",
+  "dialogflow": "1.4.0",
+  "dlp": "1.1.0",
+  "documentai": "1.1.0",
+  "domains": "0.2.0",
+  "errorreporting": "0.1.0",
+  "essentialcontacts": "1.0.0",
+  "eventarc": "1.2.0",
+  "filestore": "1.0.0",
+  "firestore": "1.6.1",
+  "functions": "1.1.0",
+  "gaming": "1.0.0",
+  "gkeconnect": "0.1.0",
+  "gkehub": "0.2.0",
+  "grafeas": "0.1.0",
+  "gsuiteaddons": "1.0.0",
+  "iam": "0.1.1",
+  "iap": "1.0.1",
+  "ids": "0.1.0",
+  "iot": "1.0.0",
+  "kms": "1.2.0",
+  "language": "1.0.0",
+  "lifesciences": "0.1.0",
+  "logging": "1.4.2",
+  "managedidentities": "1.0.1",
+  "mediatranslation": "0.1.0",
+  "memcache": "1.0.0",
+  "metastore": "1.0.0",
+  "monitoring": "1.2.0",
+  "networkconnectivity": "1.0.0",
+  "networkmanagement": "1.0.0",
+  "networksecurity": "0.1.0",
+  "notebooks": "0.1.0",
+  "orchestration": "1.0.0",
+  "orgpolicy": "1.0.0",
+  "osconfig": "1.2.0",
+  "oslogin": "1.0.0",
+  "phishingprotection": "0.1.0",
+  "policytroubleshooter": "1.0.0",
+  "privatecatalog": "0.1.0",
+  "profiler": "0.1.2",
+  "pubsub": "1.18.0",
+  "pubsublite": "1.2.2",
+  "recaptchaenterprise": "1.1.0",
+  "recommendationengine": "0.1.0",
+  "recommender": "1.0.0",
+  "redis": "1.2.0",
+  "resourcemanager": "1.0.0",
+  "resourcesettings": "1.0.0",
+  "retail": "1.0.0",
+  "scheduler": "1.0.0",
+  "secretmanager": "1.1.0",
+  "security": "1.1.1",
+  "securitycenter": "1.2.0",
+  "servicecontrol": "1.1.0",
+  "servicedirectory": "1.0.0",
+  "servicemanagement": "1.0.0",
+  "serviceusage": "1.0.0",
+  "shell": "1.0.0",
+  "spanner": "1.29.0",
+  "speech": "1.1.0",
+  "storage": "1.20.0",
+  "storagetransfer": "1.0.0",
+  "talent": "0.3.1",
+  "texttospeech": "1.1.0",
+  "tpu": "1.0.0",
+  "trace": "1.0.0",
+  "translate": "1.0.0",
+  "video": "1.1.0",
+  "videointelligence": "1.0.0",
+  "vision": "1.0.0",
+  "vmmigration": "0.1.0",
+  "vpcaccess": "1.0.0",
+  "webrisk": "1.0.0",
+  "websecurityscanner": "1.0.0",
+  "workflows": "1.1.1"
+}

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.100.0"
+}