L11 support

[swapnilsarwe]

This PR does the following:

1. update the whole icon set with the latest icons from the parent repo. should be tagged as a major release if needed to
2. updated composer dependency across all PHP versions

[swapnilsarwe]

@Tjoosten
you mind having a look at a PR as a double check before merging it for the next release.

[Tjoosten]

@Tjoosten

you mind having a look at a PR as a double check before merging it for the next release.

Hey, @swapnilsarwe

Sure no problem. Currently i'm on holiday. But will see if i have time later this day or tomorrow.

[swapnilsarwe]

@Tjoosten

you mind having a look at a PR as a double check before merging it for the next release.

Hey, @swapnilsarwe

Sure no problem. Currently i'm on holiday. But will see if i have time later this day or tomorrow.

No rush. Enjoy your holidays.

Hey, Sorry for the late folow-up but at first sight it looks good to me. Thanks for the work you put into it.