chore(deps): bump prefix-dev/setup-pixi from 0.9.3 to 0.9.4 (#2692)

Author: dependabot[bot]

.github/workflows/commit.yml

@@ -150,7 +150,7 @@ jobs:
           version: 13
 
       - name: Setup pixi
-        uses: prefix-dev/setup-pixi@v0.9.3
+        uses: prefix-dev/setup-pixi@v0.9.4
         with:
           pixi-version: v0.41.4
           manifest-path: modflow6/pixi.toml

.github/workflows/mf6.yml

@@ -39,7 +39,7 @@ jobs:
         version: 13
 
     - name: Setup pixi
-      uses: prefix-dev/setup-pixi@v0.9.3
+      uses: prefix-dev/setup-pixi@v0.9.4
       with:
         pixi-version: v0.41.4
         manifest-path: modflow6/pixi.toml
@@ -122,7 +122,7 @@ jobs:
         version: 13
 
     - name: Setup pixi
-      uses: prefix-dev/setup-pixi@v0.9.3
+      uses: prefix-dev/setup-pixi@v0.9.4
       with:
         pixi-version: v0.41.4
         manifest-path: modflow6/pixi.toml