Merge #16371: build: ignore macOS make deploy artefacts & add them to clean-local

c84ff23c6d build: ignore macOS make deploy artefacts & add them to clean-local (fanquake)

Pull request description:

ACKs for top commit:
  hebasto:
    ACK c84ff23c6d, tested on Linux Mint 19.2:
  dongcarl:
    ACK c84ff23c6d

Tree-SHA512: 5a6525a5e433a7279807cc02d3f47bb7f4bd5da8142a945b21d3bfa71938cac823569b34b071e21525a817a187fb02a562bb1c5a9761e2019a2b0900a51a8315

.gitignore

@@ -133,3 +133,7 @@ db4/
 
 # clang-check
 *.plist
+
+osx_volname
+dist/
+*.background.tiff

Makefile.am

@@ -310,4 +310,5 @@ clean-docs:
 clean-local: clean-docs
 	rm -rf coverage_percent.txt test_bitcoin.coverage/ total.coverage/ test/tmp/ cache/ $(OSX_APP)
 	rm -rf test/functional/__pycache__ test/functional/test_framework/__pycache__ test/cache share/rpcauth/__pycache__
+	rm -rf osx_volname dist/ dpi36.background.tiff dpi72.background.tiff