Ugraded to setup-micromamba 2

Author: JohanMabille

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment-dev.yml
           environment-name: xeus-zmq
@@ -85,7 +85,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment-dev.yml
           environment-name: xeus-zmq