Update dependency simple-theme-plugin to v191

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
simple-theme-plugin	major	176.v39740c03a_a_f5 -> 191.vcd207ef9dd24

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Release Notes

jenkinsci/simple-theme-plugin (simple-theme-plugin)

### [`v191.vcd207ef9dd24`](https://togithub.com/jenkinsci/simple-theme-plugin/releases/tag/191.vcd207ef9dd24) [Compare Source](https://togithub.com/jenkinsci/simple-theme-plugin/compare/176.v39740c03a_a_f5...191.vcd207ef9dd24) #### 📝 Documentation updates - Refresh documentation ([#​201](https://togithub.com/jenkinsci/simple-theme-plugin/issues/201)) [@​TobiX](https://togithub.com/TobiX) #### 👻 Maintenance - Refresh documentation ([#​201](https://togithub.com/jenkinsci/simple-theme-plugin/issues/201)) [@​TobiX](https://togithub.com/TobiX) #### ✍ Other changes - Update java-version to 17 for Jenkins Security Scan ([#​199](https://togithub.com/jenkinsci/simple-theme-plugin/issues/199)) [@​strangelookingnerd](https://togithub.com/strangelookingnerd) #### 📦 Dependency updates - Bump io.jenkins.tools.bom:bom-2.426.x from 2675.v1515e14da\_7a\_6 to 3143.v347db\_7c6db\_6e ([#​200](https://togithub.com/jenkinsci/simple-theme-plugin/issues/200)) [@​dependabot](https://togithub.com/dependabot) - Bump org.jenkins-ci.plugins:plugin from 4.81 to 4.83 ([#​196](https://togithub.com/jenkinsci/simple-theme-plugin/issues/196)) [@​dependabot](https://togithub.com/dependabot) - Bump io.jenkins.tools.incrementals:git-changelist-maven-extension from 1.7 to 1.8 ([#​189](https://togithub.com/jenkinsci/simple-theme-plugin/issues/189)) [@​dependabot](https://togithub.com/dependabot) - Bump org.jenkins-ci.plugins:plugin from 4.75 to 4.81 ([#​187](https://togithub.com/jenkinsci/simple-theme-plugin/issues/187)) [@​dependabot](https://togithub.com/dependabot)

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