Fix: Dikastes required libraries

[frozenprocess]

Dikastes requires libresolv.so.2, this PR adds the required library to the Dockerfile.

calico@dev-advocacy:~/calico/app-policy/bin$ ldd dikastes-amd64 
	linux-vdso.so.1 (0x00007ffe486e9000)
	libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007fb552338000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fb552333000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fb552000000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fb552367000)

Description

Related issues/PRs

Todos

• Tests
• Documentation
• Release note

Release Note

TBD

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