Fix Continuos Integration for Early October 2021 problems

[traversaro]

Fix #897
Fix #898

[traversaro]

We also have a good old homebrew failure (see #842):

2021-10-05T15:50:27.0523720Z �[32m==>�[0m �[1mInstalling dependencies for curl: �[32mlibnghttp2�[39m�[0m
2021-10-05T15:50:27.0527760Z �[32m==>�[0m �[1mInstalling curl dependency: �[32mlibnghttp2�[39m�[0m
2021-10-05T15:50:27.0560500Z �[34m==>�[0m �[1mPouring libnghttp2--1.45.1.catalina.bottle.tar.gz�[0m
2021-10-05T15:50:27.4654130Z �[31mError:�[0m The `brew link` step did not complete successfully
2021-10-05T15:50:27.4655070Z The formula built, but is not symlinked into /usr/local
2021-10-05T15:50:27.4661860Z Could not symlink include/nghttp2/nghttp2.h
2021-10-05T15:50:27.4663060Z Target /usr/local/include/nghttp2/nghttp2.h
2021-10-05T15:50:27.4664670Z is a symlink belonging to nghttp2. You can unlink it:
2021-10-05T15:50:27.4665880Z   brew unlink nghttp2
2021-10-05T15:50:27.4666510Z 
2021-10-05T15:50:27.4667590Z To force the link and overwrite all conflicting files:
2021-10-05T15:50:27.4669040Z   brew link --overwrite libnghttp2
2021-10-05T15:50:27.4670350Z 
2021-10-05T15:50:27.4671080Z To list all files that would be deleted:
2021-10-05T15:50:27.4672450Z   brew link --overwrite --dry-run libnghttp2
2021-10-05T15:50:27.4673300Z 
2021-10-05T15:50:27.4674060Z Possible conflicting files are:
2021-10-05T15:50:27.4675510Z /usr/local/include/nghttp2/nghttp2.h -> /usr/local/Cellar/nghttp2/1.45.1/include/nghttp2/nghttp2.h
2021-10-05T15:50:27.4677500Z /usr/local/include/nghttp2/nghttp2ver.h -> /usr/local/Cellar/nghttp2/1.45.1/include/nghttp2/nghttp2ver.h
2021-10-05T15:50:27.4683580Z /usr/local/lib/libnghttp2.14.dylib -> /usr/local/Cellar/nghttp2/1.45.1/lib/libnghttp2.14.dylib
2021-10-05T15:50:27.4688180Z /usr/local/lib/libnghttp2.a -> /usr/local/Cellar/nghttp2/1.45.1/lib/libnghttp2.a
2021-10-05T15:50:27.4692640Z /usr/local/lib/libnghttp2.dylib -> /usr/local/Cellar/nghttp2/1.45.1/lib/libnghttp2.dylib
2021-10-05T15:50:27.4700500Z /usr/local/lib/pkgconfig/libnghttp2.pc -> /usr/local/Cellar/nghttp2/1.45.1/lib/pkgconfig/libnghttp2.pc
2021-10-05T15:50:30.5533620Z �[34m==>�[0m �[1mSummary�[0m

We can safely ignore that as usual.