docs: correct the link to Maven Release Plugin documentation

Maven released v3.0.0 (previously M7) on 2023-03-17. Update link for overriding tag format  to
reflect the changes in the plugin's documentation site.

README.md

@@ -196,7 +196,7 @@ variables:
   SEMREL_TAG_FORMAT: "myArtifactId-$${version}"
 ```
 
-Or you can [override the maven release plugin tag format](http://maven.apache.org/maven-release/maven-release-plugin/examples/prepare-release.html#Overriding_the_default_tag_name_format).
+Or you can [override the maven release plugin tag format](https://maven.apache.org/maven-release/maven-release-plugin/usage/prepare-release.html#overriding-the-default-tag-name-format).
 
 Note: It is the `mvn-release` job that will perform the release and so you only need the `semantic-release-info` job. Set the `SEMREL_RELEASE_DISABLED` variable as shown below.