chore: release 1.1.1 (#120)

🤖 I have created a release \*beep\* \*boop\*
---
### [1.1.1](https://www.github.com/googleapis/java-cloudbuild/compare/v1.1.0...v1.1.1) (2020-04-07)

### Dependencies

* update core dependencies ([#91](https://www.github.com/googleapis/java-cloudbuild/issues/91)) ([bf9e89b](https://www.github.com/googleapis/java-cloudbuild/commit/bf9e89bd289c3f0d1fc04fde59bfc18c1999c3e6))
* update dependency com.google.cloud:google-cloud-core-grpc to v1.93.4 ([#123](https://www.github.com/googleapis/java-cloudbuild/issues/123)) ([53ee168](https://www.github.com/googleapis/java-cloudbuild/commit/53ee168a8ae66757696a0c00531cf245b98c6ca2))
* update dependency org.threeten:threetenbp to v1.4.3 ([#104](https://www.github.com/googleapis/java-cloudbuild/issues/104)) ([857dfbe](https://www.github.com/googleapis/java-cloudbuild/commit/857dfbe177714417c832e5a917b94756e8f69d7e))
---

This PR was generated with [Release Please](https://github.com/googleapis/release-please).

Source-Author: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Source-Date: Tue Apr 7 18:00:24 2020 +0000
Source-Repo: googleapis/java-cloudbuild
Source-Sha: a992104
Source-Link: a992104

Author: yoshi-automation

README.md

@@ -38,7 +38,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build</artifactId>
-  <version>1.1.1</version>
+  <version>1.1.0</version>
 </dependency>
 
 ```

synth.metadata

@@ -3,8 +3,15 @@
     {
       "generator": {
         "name": "artman",
-        "version": "1.2.0",
-        "dockerImage": "googleapis/artman@sha256:ef1a5b367dbe1e37cea1c7c814c801a638473e8dd66f87f4a2b8c2a146013673"
+        "version": "2.0.0",
+        "dockerImage": "googleapis/artman@sha256:b3b47805231a305d0f40c4bf069df20f6a2635574e6d4259fac651d3f9f6e098"
+      }
+    },
+    {
+      "git": {
+        "name": ".",
+        "remote": "https://github.com/googleapis/java-cloudbuild.git",
+        "sha": "a99210486be483cee8a70bb455d296359dd410ca"
       }
     },
     {