Bump astral-sh/setup-uv from 5 to 6

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 5 to 6.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v5...v6)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/black.yml

@@ -27,8 +27,9 @@ jobs:
         with:
           submodules: true
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
+          activate-environment: true
           version: "latest"
           python-version: ${{ matrix.python }}
       - name: Install black

.github/workflows/docs.yml

@@ -42,8 +42,9 @@ jobs:
           version: "=0.24.3" 
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
+          activate-environment: true
           version: "latest"
           python-version: ${{ matrix.python-version }}
 

.github/workflows/macos_CI.yml

@@ -45,8 +45,9 @@ jobs:
           brew install gsl
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
+          activate-environment: true
           version: "latest"
           python-version: ${{ matrix.python }}
 

.github/workflows/ubuntu.yml

@@ -35,8 +35,9 @@ jobs:
           toolchain: ${{ matrix.rust }}
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v6
         with:
+          activate-environment: true
           version: "latest"
           python-version: ${{ matrix.python }}