exclude bump pr from release notes (#90)

* preview release diff in terminal

* wip

* update release cmd

* adjust diff out

.github/release.yml

@@ -0,0 +1,4 @@
+changelog:
+  exclude:
+    labels:
+      - no-release-notes

Makefile

@@ -37,7 +37,8 @@ release:
 	git add Cargo.lock
 	git commit -m "bump to v$(version)"
 	git push
-	gh pr create --fill
+	gh pr create --fill --label no-release-notes
+	gh pr diff | cat
 	@read -n 1 -p "are you sure you want to release v$(version)? [Y/n] " confirmation && if [ "$$confirmation" = "Y" ]; then echo " continuing..."; else echo " aborting..."; exit 1; fi
 	gh pr merge --admin --squash --delete-branch
 	git checkout main