Fixed

Core: Update packages #3332 #3329 #3328 #3325 #3282 #3269
Github: Add badge for security issues #3315
Github: Make sure we test all supported php versions #3254
Github: Remove duplicate github issue reporting system #3288
Groups: Excape new reserverd keywords in mysal #3264
Locale: Clarify that html in translations is not considered a security issue #3270
Pages: Duplicate user template images when copying page #3320
Pages: Rebuild page cache when changing url #3319

Security