Freezing .repos file and other 3.4.0 dependencies

Signed-off-by: Emilio Cuesta <[email protected]>

Adding missing v in .repos

Signed-off-by: Emilio Cuesta <[email protected]>

Set versions in ddsrouter.repos

Signed-off-by: Denisa <[email protected]>

Update .repos and references in docs

Signed-off-by: Lucia Echevarria <[email protected]>

Update .repos and references in docs

Signed-off-by: Raúl <[email protected]>

Update .repos and docs links

Signed-off-by: Irene Bandera <[email protected]>

Update .repos and docs links

Signed-off-by: Raul Sanchez-Mateos <[email protected]>

Update .repos and default branch

Signed-off-by: Raul Sanchez-Mateos <[email protected]>

Change version dev-utils (#368)

Signed-off-by: Irene Bandera <[email protected]>

Update all references to .repos file in docs and README

Signed-off-by: RaulSanchez <[email protected]>