[Tests] add missing include

fix:

/src/pinocchio/unittest/liegroups.cpp:455:23: error: no template named 'vector' in namespace 'boost::mpl'
  typedef boost::mpl::vector<  VectorSpaceOperationTpl<1,Scalar,Options>
          ~~~~~~~~~~~~^
/src/pinocchio/unittest/liegroups.cpp:479:23: error: no template named 'vector' in namespace 'boost::mpl'
  typedef boost::mpl::vector<  VectorSpaceOperationTpl<1,Scalar,Options>
          ~~~~~~~~~~~~^
/src/pinocchio/unittest/liegroups.cpp:506:23: error: no template named 'vector' in namespace 'boost::mpl'
  typedef boost::mpl::vector<  VectorSpaceOperationTpl<1,Scalar,Options>
          ~~~~~~~~~~~~^
/src/pinocchio/unittest/liegroups.cpp:530:23: error: no template named 'vector' in namespace 'boost::mpl'
  typedef boost::mpl::vector<  VectorSpaceOperationTpl<1,Scalar,Options>
          ~~~~~~~~~~~~^
10 jobs for topic/perf in 172 minutes and 9 seconds (queued for 1 second)
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Name Stage Failure
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format Test
-    }
-
- ///
- /// \brief Computes the Jacobian of log3 operator for a unit quaternion.
- ///
- /// \param[in] quat A unit quaternion representing the input rotation.
- /// \param[out] Jlog The resulting Jacobian of the log operator.
-
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