Improve the content of the META-INF/MANIFEST.MF files

[bchapuis]

The current version is generated automatically by maven.

Manifest-Version: 1.0
Created-By: Maven JAR Plugin 3.3.0
Build-Jdk-Spec: 21
Specification-Title: baremaps-csv
Specification-Version: 0.8
Specification-Vendor: baremaps
Implementation-Title: baremaps-csv
Implementation-Version: 0.8.1
Implementation-Vendor: baremaps
Build-Date: 2024-11-09T13:13:45Z
Build-Jdk: 21.0.4
Build-Version: 0.8.1

We should find a way to improve these files so that they look as below.

Manifest-Version: 1.0
Created-By: Maven JAR Plugin 3.3.0
Build-Jdk-Spec: 21
Specification-Title: Apache Baremaps CSV (incubating)
Specification-Version: 0.8
Specification-Vendor: Apache Software Foundation
Implementation-Title: Apache Baremaps CSV (incubating)
Implementation-Version: 0.8.1
Implementation-Vendor: Apache Software Foundation
Build-Date: 2024-11-09T13:13:45Z
Build-Jdk: 21.0.4
Build-Version: 0.8.1