[Submodule]: Update submodule for sonic-telemetry (sonic-net#10124)

e56e9b4 Fix CVE-2021-3121 warning (#96)
bf1be4f [ci]: Support code diff coverage threshold 50% (#94)
64e516c Ported Marvell armhf build on x86 for debian buster to use cross-compilation instead of qemu emulation (#80)
e426388 [ci]: Support azp code coverage (#87)