Update CODEOWNERS (#273)

Author: msimberg

.github/CODEOWNERS

@@ -1,14 +1,14 @@
 * @bcumming @msimberg @RMeli
 docs/access/jupyterlab.md @rsarm
-docs/services/firecrest.md @jpdorsch @ekouts @theely @iB0nes
-docs/services/devportal.md @jpdorsch @ekouts @theely @iB0nes
+docs/services/firecrest.md @jpdorsch @ekouts @theely @ibonesana-ethz
+docs/services/devportal.md @jpdorsch @ekouts @theely @ibonesana-ethz
 docs/services/kubernetes @eliaoggian
 docs/software/communication @Madeeks @msimberg
 docs/software/devtools/linaro @jgphpc
 docs/software/devtools/vihps @jgphpc
 docs/software/prgenv/linalg.md @finkandreas @msimberg
 docs/software/sciapps/cp2k.md @abussy @RMeli
-docs/software/sciapps/lammps.md @nickjbrowning
+docs/software/sciapps/lammps.md @rubber-duck-debug
 docs/software/sciapps/gromacs.md @kanduri
 docs/software/ml @boeschf @henrique @lukasgd
 docs/storage @mpasserini