Bump com.apicatalog:copper-multibase from 1.0.0 to 4.0.0

Bumps [com.apicatalog:copper-multibase](https://github.com/filip26/copper-multibase) from 1.0.0 to 4.0.0.
- [Release notes](https://github.com/filip26/copper-multibase/releases)
- [Commits](filip26/copper-multibase@v1.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: com.apicatalog:copper-multibase
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom_parent.xml

@@ -53,7 +53,7 @@
     <argLine>-Dfile.encoding=UTF-8</argLine>
 
     <carbon.version>0.3.0</carbon.version>
-    <copper-base.version>1.0.0</copper-base.version>
+    <copper-base.version>4.0.0</copper-base.version>
     <copper-codec.version>2.0.0</copper-codec.version>
     <iron.version>0.14.0</iron.version>