chore: Update release-please configuration (#2197)

Author: ddixit14

.github/release-please.yml

@@ -2,4 +2,5 @@ releaseType: java-yoshi
 bumpMinorPreMajor: true
 handleGHRelease: true
 primaryBranch: main
+manifest: true
 extraFiles: ["WORKSPACE"]

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "2.28.0"
+}

release-please-config.json

@@ -0,0 +1,11 @@
+{
+  "release-type": "java-yoshi-mono-repo",
+  "separate-pull-requests": false,
+  "include-component-in-tag": false,
+  "group-pull-request-title-pattern": "chore(${branch}): release ${version}",
+  "packages": {
+    ".": {
+      "extraFiles": ["WORKSPACE"]
+    }
+  }
+}