move vpp-verify|merge-*-ubuntu2004-aarch64 to beta jobs

move vpp-verify|merge-*-ubuntu2004-aarch64 to beta jobs

- VPP build fails with static assert on ubuntu20.04/aarch64
     /w/workspace/vpp-verify-master-ubuntu2004-aarch64/src/plugins/af_xdp/input.c: In function af_xdp_device_input_refill:
     /w/workspace/vpp-verify-master-ubuntu2004-aarch64/src/vppinfra/error_bootstrap.h:111:34: error: static assertion failed: "wrong size"
       111 | #define STATIC_ASSERT(truth,...) _Static_assert(truth, __VA_ARGS__)
           |                                  ^~~~~~~~~~~~~~
     /w/workspace/vpp-verify-master-ubuntu2004-aarch64/src/plugins/af_xdp/input.c:140:3: note: in expansion of macro STATIC_ASSERT
       140 |   STATIC_ASSERT (sizeof (vlib_buffer_t) == XDP_PACKET_HEADROOM, "wrong size");
           |   ^~~~~~~~~~~~~
     Building C object plugins/af_xdp/CMakeFiles/af_xdp_plugin_thunderx2t99.dir/input.c.o

Updated ubuntu2004 Job Names:
$ jjsb-test vpp-* 2>&1 | grep -e'Number of jobs' -e'Job name' | sed -e 's/INFO:jenkins_jobs.builder://g' | grep ubuntu20
Job name:  vpp-beta-merge-master-ubuntu2004-aarch64
Job name:  vpp-beta-verify-master-ubuntu2004-aarch64
Job name:  vpp-gcc-verify-2009-ubuntu2004-x86_64
Job name:  vpp-gcc-verify-master-ubuntu2004-x86_64
Job name:  vpp-merge-2009-ubuntu2004-x86_64
Job name:  vpp-merge-master-ubuntu2004-x86_64
Job name:  vpp-verify-2009-ubuntu2004-x86_64
Job name:  vpp-verify-master-ubuntu2004-x86_64

Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Change-Id: I60939c547ef330f109e5d445a85adb47ffdb30af