Add CodeQL workflow (#6977)
Add CodeQL workflow (#6977)

CodeQL is GitHub's vulnerability scanning tool - https://codeql.github.com/docs/
wagtail/wagtail,torchbox/wagtail,jnns/wagtail,mixxorz/wagtail,jnns/wagtail,gasman/wagtail,mixxorz/wagtail,wagtail/wagtail,rsalmaso/wagtail,torchbox/wagtail,wagtail/wagtail,zerolab/wagtail,torchbox/wagtail,thenewguy/wagtail,zerolab/wagtail,jnns/wagtail,thenewguy/wagtail,mixxorz/wagtail,zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,thenewguy/wagtail,mixxorz/wagtail,gasman/wagtail,wagtail/wagtail,wagtail/wagtail,jnns/wagtail,zerolab/wagtail,gasman/wagtail,mixxorz/wagtail,rsalmaso/wagtail,torchbox/wagtail,gasman/wagtail,rsalmaso/wagtail,thenewguy/wagtail,gasman/wagtail,zerolab/wagtail,rsalmaso/wagtail