chore(deps): bump mamba-org/setup-micromamba from 1 to 3 (#2740)

Author: dependabot[bot]

.github/workflows/examples.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v2
+        uses: mamba-org/setup-micromamba@v3
         with:
           environment-file: etc/environment.yml
           cache-environment: true

.github/workflows/rtd.yml

@@ -87,7 +87,7 @@ jobs:
           echo $GITHUB_EVENT_NAME
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v3
         with:
           environment-file: flopy/etc/environment.yml
           cache-environment: true