Fetch 21 and not 18 anymore

Dont fetch 18 anymore and fetch 21 instead

start.sh to become the default command

Signed-off-by: Arthur Schiwon <[email protected]>

Use updated app translation container

Signed-off-by: Morris Jobke <[email protected]>

Merge pull request nextcloud#255 from nextcloud/bump/integration-7.4

Bump php7.4 base image for integration-php7.4

Bump php7.4 base image for integration-php7.4

Signed-off-by: Julius Härtl <[email protected]>

Add apcu to php7.4 container

Signed-off-by: Julius Härtl <[email protected]>

Merge pull request nextcloud#249 from nextcloud/gradleBump

bump gradle

Merge pull request nextcloud#249 from nextcloud/gradleBump

bump gradle

Merge pull request nextcloud#250 from nextcloud/android8

update android8