build(deps): bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build-and-cache-libpq.yml

@@ -74,7 +74,7 @@ jobs:
           image: tonistiigi/binfmt:qemu-v8.1.5
 
       - name: Cache libpq build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/libpq.build
           key: libpq-${{ matrix.platform }}-${{ matrix.arch }}-${{ env.LIBPQ_VERSION }}-${{ env.OPENSSL_VERSION }}${{ env.PQ_FLAGS }}
@@ -117,7 +117,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache libpq build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/libpq.build
           key: libpq-macos-${{ env.LIBPQ_VERSION }}-${{ matrix.arch }}-${{ env.OPENSSL_VERSION }}${{ env.PQ_FLAGS }}

.github/workflows/packages.yml

@@ -86,7 +86,7 @@ jobs:
         uses: docker/setup-qemu-action@v3
 
       - name: Cache libpq build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/libpq.build
           key: libpq-${{ matrix.platform }}-${{ matrix.arch }}-${{ env.LIBPQ_VERSION }}-${{ env.OPENSSL_VERSION }}${{ env.PQ_FLAGS }}
@@ -158,7 +158,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache libpq build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/libpq.build
           key: libpq-macos-${{ env.LIBPQ_VERSION }}-${{ matrix.arch }}-${{ env.OPENSSL_VERSION }}${{ env.PQ_FLAGS }}