Update dependency org.codehaus.mojo:flatten-maven-plugin to v1.7.3#12

vdiez merged 1 commit intomasterSonarSource/nodejs-maven-plugin:masterfrom

renovate/org.codehaus.mojo-flatten-maven-plugin-1.xSonarSource/nodejs-maven-plugin:renovate/org.codehaus.mojo-flatten-maven-plugin-1.xCopy head branch name to clipboard