Update astral-sh/setup-uv action to v8

Author: renovate[bot]

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@v8
         with:
           enable-cache: true
 
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@v8
         with:
           enable-cache: true
 

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@v8
         with:
           enable-cache: true