Apache Parent POM version 26

What's Changed

• Stage site build (that uses site-pom.xml) by @slawekjaranowski in #72
• Bump maven-project-info-reports-plugin from 3.1.2 to 3.2.2 by @dependabot in #71
• Bump maven-dependency-plugin from 3.2.0 to 3.3.0 by @dependabot in #73
• Bump maven-compiler-plugin from 3.10.0 to 3.10.1 by @dependabot in #74
• Bump maven-shade-plugin from 3.2.4 to 3.3.0 by @dependabot in #75
• [MPOM-305] Set minimum enforced Maven version to 3.2.5 by @slawekjaranowski in #76
• Bump maven-clean-plugin from 3.1.0 to 3.2.0 by @dependabot in #77

Full Changelog: apache-25...apache-26