Bump plugin from 4.18 to 4.33 (#185)

* Bump plugin from 4.18 to 4.33

Bumps [plugin](https://github.com/jenkinsci/plugin-pom) from 4.18 to 4.33.
- [Release notes](https://github.com/jenkinsci/plugin-pom/releases)
- [Changelog](https://github.com/jenkinsci/plugin-pom/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/plugin-pom@plugin-4.18...plugin-4.33)

---
updated-dependencies:
- dependency-name: org.jenkins-ci.plugins:plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Bump the Jenkins minimal version to 2.249.1

Fix issue spotted by Spotbug

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Clarck Robinson <[email protected]>

pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.18</version>
+        <version>4.33</version>
         <relativePath />
     </parent>
     <groupId>io.jenkins.plugins</groupId>
@@ -15,7 +15,7 @@
         <revision>1.1.13</revision>
         <changelist>-SNAPSHOT</changelist>
         <gitHubRepo>jenkinsci/tuleap-oauth-plugin</gitHubRepo>
-        <jenkins.version>2.176.4</jenkins.version>
+        <jenkins.version>2.249.1</jenkins.version>
         <java.level>8</java.level>
         <hpi.compatibleSinceVersion>1.0.0</hpi.compatibleSinceVersion>
     </properties>
@@ -67,6 +67,13 @@
                 <artifactId>kotlin-stdlib-common</artifactId>
                 <version>1.5.0</version>
             </dependency>
+            <dependency>
+                <groupId>io.jenkins.tools.bom</groupId>
+                <artifactId>bom-2.249.x</artifactId>
+                <version>984.vb5eaac999a7e</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <dependencies>

src/main/java/io/jenkins/plugins/tuleap_oauth/helper/PluginHelperImpl.java

@@ -24,6 +24,8 @@ public class PluginHelperImpl implements PluginHelper {
 
     private final static Integer RECOMMENDED_LENGTH = 32;
 
+    private static final SecureRandom secureRandom = new SecureRandom();
+
     public Jenkins getJenkinsInstance() {
         Jenkins jenkins = Jenkins.getInstanceOrNull();
         if (jenkins == null) {
@@ -40,7 +42,6 @@ public TuleapConfiguration getConfiguration() {
     @Override
     public String buildRandomBase64EncodedURLSafeString() {
         byte[] code = new byte[RECOMMENDED_LENGTH];
-        SecureRandom secureRandom = new SecureRandom();
         secureRandom.nextBytes(code);
         return Base64.encodeBase64URLSafeString(code);
     }