Bootique dependency leaks via BOM import

[andrus]

Bootique dependency is used for testing only, and should not be visible to the users of LinkMove. That's not the case now, due to some issue of importing Bootique via the BOM:

$ mvn clean verify

[INFO] Scanning for projects...
[INFO] 
[INFO] --------------------< org.example.agrest:bookstore >--------------------
[INFO] Building bookstore 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
Downloading from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom/2.0.B1/bootique-bom-2.0.B1.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom/2.0.B1/bootique-bom-2.0.B1.pom (23 kB at 9.3 kB/s)
Downloading from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom-parent/2.0.B1/bootique-bom-parent-2.0.B1.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom-parent/2.0.B1/bootique-bom-parent-2.0.B1.pom (2.5 kB at 59 kB/s)
Downloading from central: https://repo1.maven.org/maven2/io/bootique/modules/parent/bootique-modules-parent/2.0.6/bootique-modules-parent-2.0.6.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/modules/parent/bootique-modules-parent/2.0.6/bootique-modules-parent-2.0.6.pom (16 kB at 316 kB/s)
Downloading from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom/2.0.M1/bootique-bom-2.0.M1.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom/2.0.M1/bootique-bom-2.0.M1.pom (22 kB at 433 kB/s)
Downloading from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom-parent/2.0.M1/bootique-bom-parent-2.0.M1.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/bom/bootique-bom-parent/2.0.M1/bootique-bom-parent-2.0.M1.pom (2.4 kB at 53 kB/s)
Downloading from central: https://repo1.maven.org/maven2/io/bootique/modules/parent/bootique-modules-parent/2.0.2/bootique-modules-parent-2.0.2.pom
Downloaded from central: https://repo1.maven.org/maven2/io/bootique/modules/parent/bootique-modules-parent/2.0.2/bootique-modules-parent-2.0.2.pom (16 kB at 350 kB/s)