chore: update libraries-bom to 4.4.0 (#114)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/46cdbcfa-1e99-4e4f-be05-90f447630a24/targets

README.md

@@ -17,7 +17,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>4.3.0</version>
+      <version>4.4.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -29,6 +29,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-monitoring</artifactId>
   </dependency>
+</dependencies>
 
 ```
 
@@ -40,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-monitoring</artifactId>
-  <version>1.100.0</version>
+  <version>1.100.1-SNAPSHOT</version>
 </dependency>
 
 ```

synth.metadata

@@ -1,21 +1,19 @@
 {
-  "updateTime": "2020-03-25T18:01:28.692068Z",
+  "updateTime": "2020-04-01T23:29:48.169709Z",
   "sources": [
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
         "sha": "fd83ab212176a1042e8d45ea90766b3bf59ac679",
-        "internalRef": "302913609",
-        "log": "fd83ab212176a1042e8d45ea90766b3bf59ac679\nfix: migrate osconfig/agentendpoint/v1 go_gapic_library target to microgen impl\n\nPiperOrigin-RevId: 302913609\n\n0e07113e776bdd8fcc0783372e08bb6e76cb1b5b\ndocs: Update documentation with links to smart home developer guides and reference pages. Remove outdated authorization instructions.\n\nPiperOrigin-RevId: 302892245\n\n551cf1e6e3addcc63740427c4f9b40dedd3dac27\nfeat: Add OS Config AgentEndpointService v1 PatchJobs and Tasks APIs.\n\nPiperOrigin-RevId: 302792195\n\n1df117114c73299b614dfd3ba3632bf246669336\nSynchronize new proto/yaml changes.\n\nPiperOrigin-RevId: 302753982\n\n71d6c56a14bb433beb1237dccb48dabcd9597924\nRefresh monitoring client libraries.\nRename to Cloud Monitoring API.\nAdded support for TimeSeriesQueryLanguageCondition condition type in alert policies.\n\nPiperOrigin-RevId: 302735422\n\n25a1781c096974df99d556cc5888fefa82bc6425\nbazel: migrate all go_gapic_library targets to microgenerator implementation\n\n* update rules_go and gazelle bazel dependencies\n* update gapic-generator bazel dependency (with build file generator changes)\n\nPiperOrigin-RevId: 302730217\n\n36c0febd0fa7267ab66d14408eec2afd1b6bec4e\nUpdate GAPIC configurations to v2 .yaml.\n\nPiperOrigin-RevId: 302639621\n\n078f222366ed344509a48f2f084944ef61476613\nFix containeranalysis v1beta1 assembly target name\n\nPiperOrigin-RevId: 302529186\n\n0be7105dc52590fa9a24e784052298ae37ce53aa\nAdd BUILD.bazel file to asset/v1p1beta1\n\nPiperOrigin-RevId: 302154871\n\n"
+        "internalRef": "302913609"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "e36822bfa0acb355502dab391b8ef9c4f30208d8",
-        "log": "e36822bfa0acb355502dab391b8ef9c4f30208d8\nchore(java): treat samples shared configuration dependency update as chore (#457)\n\n\n1b4cc80a7aaf164f6241937dd87f3bd1f4149e0c\nfix: do not run node 8 CI (#456)\n\n\nee4330a0e5f4b93978e8683fbda8e6d4148326b7\nchore(java_templates): mark version bumps of current library as a chore (#452)\n\nWith the samples/install-without-bom/pom.xml referencing the latest released library, we want to mark updates of this version as a chore for renovate bot.\na0d3133a5d45544a66345059eebf76933265c099\nfix(java): run mvn install with retry (#453)\n\n* fix(java): run mvn install with retry\n\n* fix invocation of command\n6a17abc7652e2fe563e1288c6e8c23fc260dda97\ndocs: document the release schedule we follow (#454)\n\n\n"
+        "sha": "e36822bfa0acb355502dab391b8ef9c4f30208d8"
       }
     }
   ],