Enable mise monorepo tasks

mise.toml

@@ -1,3 +1,8 @@
+experimental_monorepo_root = true
+
+[monorepo]
+config_roots = ["presto", "."]
+
 [settings]
 lockfile = true
 

presto/mise.toml

@@ -8,15 +8,12 @@ run = '''
 mpremote fs cp main.py :main.py
 mpremote reset
 '''
-dir = "{{cwd}}"
 
 [tasks.poc]
 run = '''
 mpremote fs cp poc.py :main.py
 mpremote reset
 '''
-dir = "{{cwd}}"
 
 [tasks.emulator]
 run = 'pimoroni-emulator --device presto main.py'
-dir = "{{cwd}}"