enable build with Maven 4

[hboutemy]

[INFO] -------------------------------------------------
[INFO] Build Summary:
[INFO]   Passed: 139, Failed: 11, Errors: 0, Skipped: 0
[INFO] -------------------------------------------------
Error:  The following builds failed:
Error:  *  projects/container-descriptors/custom-handler-withMixedEntries/pom.xml
Error:  *  projects/file-sets/multimodule-win-lineEndings/pom.xml
Error:  *  projects/dependency-sets/massembly-969/pom.xml
Error:  *  projects/container-descriptors/custom-containerDescriptorHandler/pom.xml
Error:  *  projects/mojo-configuration/massembly-291/pom.xml
Error:  *  projects/mojo-configuration/massembly-301/pom.xml
Error:  *  projects/file-sets/filtered-module-sources/pom.xml
Error:  *  projects/container-descriptors/custom-handler-withFileEntries/pom.xml
Error:  *  projects/dependency-sets/massembly-1008/pom.xml
Error:  *  projects/file-sets/filtered-multimodule/pom.xml
Error:  *  projects/bugs/massembly-891/pom.xml
[INFO] -------------------------------------------------

[hboutemy]

last IT failure fixed by #1320 , as it was also failing with Maven 3.10.0-SNAPSHOT

remaining ITs failures are specific to Maven 4

[hboutemy]

running now with Maven 4.0.0-SNAPSHOT gives me

[INFO] -------------------------------------------------
[INFO] Build Summary:
[INFO]   Passed: 146, Failed: 4, Errors: 0, Skipped: 0
[INFO] -------------------------------------------------
[ERROR] The following builds failed:
[ERROR] *  projects/dependency-sets/massembly-1008/pom.xml
[ERROR] *  projects/mojo-configuration/massembly-291/pom.xml
[ERROR] *  projects/mojo-configuration/massembly-301/pom.xml
[ERROR] *  projects/dependency-sets/massembly-969/pom.xml
[INFO] -------------------------------------------------