Update GitHub Actions (#80)

Signed-off-by: bootc-bot[bot] <225049296+bootc-bot[bot]@users.noreply.github.com>
Co-authored-by: bootc-bot[bot] <225049296+bootc-bot[bot]@users.noreply.github.com>

Author: bootc-bot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     name: Semver Checks
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - uses: obi1kenobi/cargo-semver-checks-action@v2
       with:
         # Pinned until cargo-semver-checks supports rustdoc format v57 (Rust 1.93+)
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Rust
         uses: bootc-dev/actions/setup-rust@main
       - name: Install tools

.github/workflows/cratesio-release.yml

@@ -9,7 +9,7 @@ jobs:
     permissions:
       id-token: write     # Required for OIDC token exchange
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - uses: rust-lang/crates-io-auth-action@v1
       id: auth
     - run: cargo publish

.github/workflows/openssf-scorecard-gate.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0