1.26.0

🚀 New features and improvements

• Use kubernetes.io/os as default OS node selector now that 1.14 is the oldest supported. (#790) @Vlatombe
  Node selector can still be set for older Kubernetes/Openshift users to use beta.kubernetes.io/os

• JENKINS-61409 - DEFAULT_JNLP_IMAGE update for 2.222.4 (#749) @jglick

🐛 Bug Fixes

• Prevent concurrent launches (#789) @Vlatombe

📦 Dependency updates

• Require jenkins 2.222.4 (#749) @jglick
• Bump kubernetes-client-api from 4.9.2-1 to 4.9.2-2 (#792) @dependabot
• Bump jackson2-api from 2.10.3 to 2.11.0 (#773) @dependabot
• Bump kubernetes-client-api from 4.9.1-1 to 4.9.2-1 (#787) @dependabot

📝 Documentation updates

• Removing docker 'slave' ref.. New image is inbound-agent (#753) @markyjackson-taulia