Bump com.opencsv:opencsv from 5.10 to 5.11 (jenkinsci#179)

Bumps com.opencsv:opencsv from 5.10 to 5.11.

---
updated-dependencies:
- dependency-name: com.opencsv:opencsv
  dependency-version: '5.11'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

pom.xml

@@ -57,7 +57,7 @@
     <dependency>
       <groupId>com.opencsv</groupId>
       <artifactId>opencsv</artifactId>
-      <version>5.10</version>
+      <version>5.11</version>
       <exclusions>
         <exclusion>
           <groupId>commons-beanutils</groupId>