Upgrade actions.

Author: jsirois

.github/workflows/audit.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Cargo audit (for security vulnerabilities)
         run: |
           cargo install --locked cargo-audit

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
           - os: windows-11-arm
             name: Windows aarch64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install rustup on Windows ARM
         if: matrix.os == 'windows-11-arm'
         uses: actions-rust-lang/setup-rust-toolchain@v1

.github/workflows/release.yml

@@ -77,11 +77,12 @@ jobs:
     permissions:
       id-token: write
       attestations: write
+      artifact-metadata: write
       contents: write
       discussions: write
     steps:
       - name: Checkout ptex ${{ needs.determine-tag.outputs.release-tag }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ needs.determine-tag.outputs.release-tag }}
       - name: Install rustup on Windows ARM
@@ -97,7 +98,7 @@ jobs:
             --git https://github.com/cross-rs/cross --rev e281947ca900da425e4ecea7483cfde646c8a1ea
           cross run -p package --target ${{ matrix.cross-target }}
       - name: Generate ptex ${{ needs.determine-tag.outputs.release-tag }} artifact attestations
-        uses: actions/attest-build-provenance@v1
+        uses: actions/attest@v4
         with:
           subject-path: dist/ptex*
       - name: Prepare Changelog