Check upper bound too

Fix BC break introduced in 4.6.3 (vimeo#5410)

Fixes vimeo#5405

Requires new patch release.

This PR reverts changes to the signature of `IssueBuffer::finish()` and
introduces separate method to be used to capture `$_SERVER`

Improve min/max return type cc @orklah

Type::combineUnionTypes preserves metadata for union types, and is more accurate

Fix style issues

Fix vimeo#5239 - make replacement work in 7.1-7.3

Apply the partial diff hack earlier

Fix tagger

Fix vimeo#5194 - don’t warn when redefining core class properties

Add detail about non-empty-string

Only create after analysis event if they exist

Fixes vimeo#5008 - this does some git execing, so we don’t want it to always run