Intermediate info from old ages to 1.44 release

• README.md: update currentlyBuilding and queue command hints (#52) @jimklimov
• Rearrange and update pom.xml following other plugins, and add github actions (dependabot et al) (#47) @jimklimov
• Restore getPassword compatibility (#46) @timja
• Add descriptor for Message targets (#44) @timja
• Refresh plugin (#43) @timja
• CurrentlyBuildingCommand.java: for bad args, PM the syntax to user… (#45) @jimklimov
• Log IMException in IMConnectionProvider.create() (#40) @Flowdalic
• Forget tr+td around a hidden input (#41) @jimklimov
• Rearrange pom.xml like in ircbot-plugin, add jimklimov as maintainer (#42) @jimklimov
• Introduce the "#" argument to currentlyBuilding and queue commands to… (#39) @jimklimov
• Use HTTPS URLs in pom.xml (#38) @daniel-beck-bot
• Update the README.md (#37) @jimklimov
• Document regex bot args (#36) @jimklimov
• Queue cmd bot regex filtering (#35) @jimklimov
• Queue bot cmd facelift (#33) @jimklimov
• CurrentlyBuildingCommand.java : if there are no running jobs, do not … (#34) @jimklimov
• IMPublisher.java : replace remaining getLogger() constructs by log() (#32) @jimklimov
• Support notifyStart in pipeline steps (#31) @jimklimov
• Support sending an instant customMessage to IM targets as a build step (#30) @jimklimov
• Fix Checkstyle warnings (#28) @jimklimov
• Release preparations, version bumps... (#27) @jimklimov
• BuildToChatNotifier.java : fix javadoc markup (#26) @jimklimov
• JENKINS-55755 - plus support for printing URLs of currently running pipeline builds (#23) @jimklimov
• JENKINS-55755 - CurrentlyBuildingCommand.java : support regex filtering of output, and printing URLs to the running build's console logs (#20) @jimklimov
• JENKINS-55760 - BuildCommand.java : hasPermission() : extend User matching to Sender name (#21) @jimklimov
• pom.xml : fix whitespace and bump required Jenkins core version (#25) @jimklimov
• JENKINS-55757 - BuildCommand.java : checkPermission() : report both nick and id for rejected sender (#19) @jimklimov
• JENKINS-55538 - Instant messaging queue and currentlyBuilding commands… (#18) @jimklimov
• Fix style (#22) @jimklimov
• Fix null in akomakom pipeline support (#24) @jimklimov
• Pipeline Support, permits downstream projects to add Pipeline Steps (#16) @akomakom
• Add Jenkinsfile (#17) @olivergondza
• Use NamingThreadFactory + DaemonThreadFactory. (#14) @johnou
• instant-messaging-plugin prevents JVM from shutting down. (#13) @johnou
• "Yippie!" is incorrect should be replaced with "Yippee!" (#9) @evildmp
• Fix the handling of (default) parameters for project triggering. (#10) @williambernardet
• Adding a new notification strategy "new failure and fixed" (#8) @jlabanca
• Avoid sending blank messages (#6) @sbrandwoo
• Removing yippie message (#5) @illicitonion
• Impersonate user instead of authenticating. (#4) @sidnei
• New chat notifier (#2) @petehayes
• show help instead of exception message in userstat command (#1) @apprme

📦 Dependency updates

• build(deps): bump plugin from 4.19 to 4.24 (#50) @dependabot
• build(deps): bump maven-plugin from 3.8 to 3.12 (#48) @dependabot
• build(deps): bump bom-2.263.x from 18 to 937.v51fde92016ed (#49) @dependabot
• build(deps): bump maven-checkstyle-plugin from 3.0.0 to 3.1.2 (#51) @dependabot