Configure default act base image for local builds

pimterry · pimterry · commit 72a3266f52f4 · 2020-10-22T17:14:42.000+02:00
Just install act and run `act` locally to immediately do a full CI build
on your local machine.
diff --git a/.actrc b/.actrc
@@ -0,0 +1 @@
+-P ubuntu-latest=httptoolkit/act-build-base

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+-P ubuntu-latest=httptoolkit/act-build-base`