Update to new piet release

Update druid PR comment while here.

Author: klemensn

Cargo.lock

@@ -16,12 +16,13 @@ opt-level = 2
 
 # (merged already) "Build on OpenBSD" https://github.com/linebender/piet/pull/466
 [patch.crates-io]
-piet = { git = "https://github.com/linebender/piet", commit = "8f7bc70a097d585205573442b970ec087d4e8f3b" }
-piet-cairo = { git = "https://github.com/linebender/piet", commit = "8f7bc70a097d585205573442b970ec087d4e8f3b" }
-piet-common = { git = "https://github.com/linebender/piet", commit = "8f7bc70a097d585205573442b970ec087d4e8f3b" }
+# overwrite dependencies in dependent crates to point at tag 0.5.0
+piet = { git = "https://github.com/linebender/piet", commit = "78a301e9ff7bfe344c2d7e4a3c0be4b5a87590ea" }
+piet-cairo = { git = "https://github.com/linebender/piet", commit = "78a301e9ff7bfe344c2d7e4a3c0be4b5a87590ea" }
+piet-common = { git = "https://github.com/linebender/piet", commit = "78a301e9ff7bfe344c2d7e4a3c0be4b5a87590ea" }
 
 # (merged already) "Build on OpenBSD" https://github.com/linebender/druid/pull/1993
-# (not merged yet) "Fix missing import in gtk/window.rs" https://github.com/jpochyla/druid/commit/a9522f58cf2e79662287cc27ab8a6f200fe88400
+# (merged already) "Fix missing import in gtk/window.rs" https://github.com/linebender/druid/pull/2011
 [patch."git+https://github.com/jpochyla/druid"]
 druid = { git = "https://github.com/klemensn/druid", branch = "psst-openbsd" }
 druid-derive = { git = "https://github.com/klemensn/druid", branch = "psst-openbsd" }