DEV: bump Pixi to v0.68.0

Author: lucascolley

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
 
       - uses: prefix-dev/setup-pixi@1b2de7f3351f171c8b4dfeb558c639cb58ed4ec0 # v0.9.5
         with:
-          pixi-version: v0.67.2
+          pixi-version: v0.68.0
           cache: true
           environments: lint
 
@@ -65,7 +65,7 @@ jobs:
 
       - uses: prefix-dev/setup-pixi@1b2de7f3351f171c8b4dfeb558c639cb58ed4ec0 # v0.9.5
         with:
-          pixi-version: v0.67.2
+          pixi-version: v0.68.0
           cache: true
           environments: ${{ matrix.environment }}
 

.github/workflows/docs.yml

@@ -23,7 +23,7 @@ jobs:
 
       - uses: prefix-dev/setup-pixi@1b2de7f3351f171c8b4dfeb558c639cb58ed4ec0 # v0.9.5
         with:
-          pixi-version: v0.67.2
+          pixi-version: v0.68.0
           cache: true
           environments: docs