build(deps): bump actions/checkout from 6.0.2 to 6.0.3

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@de0fac2...df4cb1c)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/check.yml

@@ -29,7 +29,7 @@ jobs:
         run: rustup update
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Typos
         uses: crate-ci/typos@master
@@ -127,7 +127,7 @@ jobs:
           echo CC=clang-18 >> $GITHUB_ENV
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Cargo Test (Miri)
         env:
@@ -184,7 +184,7 @@ jobs:
         uses: mozilla-actions/sccache-action@7d986dd989559c6ecdb630a3fd2557667be217ad # v0.0.9
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Cargo Test
         run: cargo test --locked --workspace --exclude vchord --no-fail-fast -- --no-capture
@@ -284,7 +284,7 @@ jobs:
           sudo apt-get install -y --no-install-recommends postgresql-${{ matrix.version }}-pgvector
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Clippy
         run: make PROFILE=dev clippy
@@ -382,7 +382,7 @@ jobs:
           sudo make -C ~/pgvector-install/pgvector-0.8.1 PG_CONFIG=$(brew --prefix postgresql@${{ matrix.version }})/bin/pg_config CC='sccache clang' OPTFLAGS="" install
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Clippy
         run: make PROFILE=dev clippy
@@ -502,7 +502,7 @@ jobs:
         run: Add-Content -Path $env:GITHUB_ENV -Value "CC=clang-cl.exe"
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Clippy
         run: make PROFILE=dev clippy
@@ -623,7 +623,7 @@ jobs:
           make -C ~/pgvector-install/pgvector-0.8.1 PG_CONFIG=/usr/libexec/postgresql${{ matrix.version }}/pg_config CC='sccache clang-18' OPTFLAGS="" install
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Patch
         run: |
@@ -829,7 +829,7 @@ jobs:
           sudo make -C ~/pgvector-install/pgvector-0.8.1 with_llvm=no CC='sccache clang' CFLAGS="-fuse-ld=lld --target=${{ matrix.clang_triple }} --sysroot=/sysroot" OPTFLAGS="" install
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Patch
         run: |
@@ -1027,7 +1027,7 @@ jobs:
           popd
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Cargo Test
         run: cargo test --locked --workspace --exclude vchord --no-fail-fast -- --no-capture

.github/workflows/release.yml

@@ -74,7 +74,7 @@ jobs:
           pg_config
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Build
         run: |
@@ -140,7 +140,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Upload
         env: