Require Jenkins 2.492.3 or newer (jenkinsci#1787)

* Require Jenkins 2.492.3 or newer

Recommended minimum Jenkins version

https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/

Plugin BOM updates have ended on 2.479.x line

* Use plugin BOM 5085.v05cc65a_936d3

Author: MarkEWaite

pom.xml

@@ -36,7 +36,7 @@
     <changelist>-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
-    <jenkins.baseline>2.479</jenkins.baseline>
+    <jenkins.baseline>2.492</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.3</jenkins.version>
     <no-test-jar>false</no-test-jar>
     <!-- Jenkins.MANAGE is still in Beta -->
@@ -53,7 +53,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-${jenkins.baseline}.x</artifactId>
-        <version>5054.v620b_5d2b_d5e6</version>
+        <version>5085.v05cc65a_936d3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -102,9 +102,6 @@
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>matrix-project</artifactId>
       <optional>true</optional>
-      <!-- pipeline-model-definition plugins fail to start git plugin in PCT for 2.479.x and 2.492.x line -->
-      <!-- TODO: Remove once this workaround dependency downgrade is no longer required for PCT -->
-      <!-- <version>832.va_66e270d2946</version> -->
     </dependency>
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>