Update git submodules

* Update docs/submodules/ccsdk/platform/plugins.git from branch 'master'
  to b5ea66623c1d6178cfcc325687f03abe81d23575
  - Merge "Do not use get_secret in test blueprint"
  - Do not use get_secret in test blueprint
    
    Signed-off-by: Miroslav Los <miroslav.los@pantheon.tech>
    Issue-ID: CCSDK-1971
    Change-Id: Ia81041b683d57ed1a4828d9c45eb49f5556c8f31
    
1 file changed