Update dependency wpackagist-plugin/disable-wordpress-updates to v1.6.8

See merge request !43

Update dependency wpackagist-plugin/buddypress to v9

See merge request !15

Pin dependency wpackagist-plugin/wpuntexturize to 2.2

See merge request !40

closes #31

wpackagist-plugin/katex 2.1.2 -> 2.2.1
wpackagist-plugin/wp-piwik 1.0.25 -> 1.0.26
wpackagist-plugin/disable-emojis 1.7.2 -> 1.7.3

wpackagist-theme/twentyeleven 3.8 -> 3.9
wpackagist-theme/twentyten 3.4 -> 3.5
wpackagist-theme/twentytwelve 3.4 -> 3.5

This reverts commit b37eacc1.

This reverts commit 807742d1.

Update dependency wpackagist-plugin/wp-piwik to v1.0.25

See merge request !12

Update dependency wpackagist-plugin/bogo to v3.5.3

See merge request !20

Update dependency wpackagist-plugin/disable-remove-google-fonts to v1.3.1

See merge request !14

Update dependency wpackagist-plugin/wp-super-cache to v1.7.4

See merge request !11

Update dependency wpackagist-plugin/pubsubhubbub to v3.1.0

See merge request !16

Update dependency wpackagist-plugin/classic-editor to v1.6.1

See merge request !18

Update dependency wpackagist-plugin/bogo to v3.5.2

See merge request !13

Update dependency johnpbloch/wordpress to v5.8.0

See merge request !17

Update dependency oomphinc/composer-installers-extender to v2

See merge request !7