Need to bump handlebars version

[crazyk2]

For template improvements needed bump com.github.jknack.handlebars version at least to 4.0.7 or better latest 4.1.2.
4.0.7 version has conditional helpers.

    <dependency>
            <groupId>com.github.jknack</groupId>
            <artifactId>handlebars</artifactId>
            <version>4.0.6</version>
        </dependency>

to

    <dependency>
            <groupId>com.github.jknack</groupId>
            <artifactId>handlebars</artifactId>
            <version>4.1.2</version>
        </dependency>

[frantuma]

implemented in #9734