Update actions/checkout digest

Author: renovate[bot]

.github/workflows/rust.yml

@@ -17,7 +17,7 @@ jobs:
   check-style:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Report cargo version
         run: cargo --version
       - name: Report rustfmt version
@@ -28,7 +28,7 @@ jobs:
   clippy-lint:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Report cargo version
         run: cargo --version
       - name: Report Clippy version
@@ -40,7 +40,7 @@ jobs:
   check-docs:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Report cargo version
         run: cargo --version
       - uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # v2.8.0
@@ -58,7 +58,7 @@ jobs:
           - features: all
             feature_flags: --all-features
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Report cargo version
         run: cargo --version
       - name: Report rustc version

.github/workflows/validate-openapi-spec.yml

@@ -11,7 +11,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
       - uses: actions/setup-node@v4
         with:
           node-version: '22'