explicit TERM for GHA -- pretty?

Signed-off-by: Dr. Jan-Philip Gehrcke <[email protected]>

Author: jgehrcke

tests/bats/Makefile

@@ -65,6 +65,8 @@ DOCKER_RUN_FLAGS :=
 ifeq ($(CI),)
   DOCKER_RUN_FLAGS += -it
 else
+  DOCKER_RUN_FLAGS += "--env"
+  DOCKER_RUN_FLAGS += "TERM=xterm-256color"
   TMPDIR="."
 endif