CI: improve Pixi caching (#229)

Author: lucascolley

.github/workflows/format.yml

@@ -22,9 +22,9 @@ jobs:
         environment: [lint]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: prefix-dev/setup-pixi@92815284c57faa15cd896c4d5cfb2d59f32dc43d # v0.8.3
+      - uses: prefix-dev/setup-pixi@v0.10.0
         with:
-          pixi-version: v0.70.1
+          pixi-version: v0.75.0
           cache: true
           environments: ${{ matrix.environment }}
       - name: Check for formatting violations

.github/workflows/gpu_tests.yml

@@ -40,9 +40,9 @@ jobs:
       - name: run nvidia-smi --query
         run: nvidia-smi --query
 
-      - uses: prefix-dev/setup-pixi@ba3bb36eb2066252b2363392b7739741bb777659 # v0.8.1
+      - uses: prefix-dev/setup-pixi@v0.10.0
         with:
-          pixi-version: v0.70.1
+          pixi-version: v0.75.0
           manifest-path: pixi.toml
           cache: false
 

.github/workflows/tests.yml

@@ -24,11 +24,10 @@ jobs:
         runs-on: [ubuntu-latest, ubuntu-24.04-arm, macos-latest]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: prefix-dev/setup-pixi@92815284c57faa15cd896c4d5cfb2d59f32dc43d # v0.8.3
+      - uses: prefix-dev/setup-pixi@v0.10.0
         with:
-          pixi-version: v0.73.0
+          pixi-version: v0.75.0
           cache: true
-          cache-key: ${{ matrix.runs-on }}
           environments: coverage
       - name:  Prepare compiler cache
         id:    prep-ccache
@@ -82,11 +81,10 @@ jobs:
         runs-on: [windows-latest]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: prefix-dev/setup-pixi@92815284c57faa15cd896c4d5cfb2d59f32dc43d # v0.8.3
+      - uses: prefix-dev/setup-pixi@v0.10.0
         with:
-          pixi-version: v0.73.0
+          pixi-version: v0.75.0
           cache: true
-          cache-key: ${{ matrix.runs-on }}
           environments: default
       - name:  Prepare compiler cache
         id:    prep-ccache
@@ -130,11 +128,10 @@ jobs:
         runs-on: [ubuntu-latest, ubuntu-24.04-arm]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: prefix-dev/setup-pixi@92815284c57faa15cd896c4d5cfb2d59f32dc43d # v0.8.3
+      - uses: prefix-dev/setup-pixi@v0.10.0
         with:
-          pixi-version: v0.70.1
+          pixi-version: v0.75.0
           cache: true
-          cache-key: ${{ matrix.runs-on }}
           environments: default
       - name:  Prepare compiler cache
         id:    prep-ccache