Build: bump actions/cache in the github-actions group (lxmlGH-497)

Bumps the github-actions group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 5.0.4 to 5.0.5
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@6682284...27d5ce7)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 5.0.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/cache_libs.yml

@@ -79,7 +79,7 @@ jobs:
     - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
     - name: Cache [libs]
-      uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
       with:
         path: |
           libs/*.xz

.github/workflows/ci.yml

@@ -250,7 +250,7 @@ jobs:
           key: ${{ runner.os }}-${{ runner.arch }}-ccache${{ matrix.extra_hash }}-${{ matrix.python-version }}-${{ matrix.env.STATIC_DEPS }}-${{ matrix.env.LIBXML2_VERSION || env.LIBXML2_VERSION }}-${{ matrix.env.LIBXSLT_VERSION || env.LIBXSLT_VERSION }}
 
       - name: Cache [libs]
-        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         if: matrix.env.STATIC_DEPS
         with:
           path: |

.github/workflows/wheels.yml

@@ -133,7 +133,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache [libs]
-        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: |
             libs/*.xz
@@ -218,7 +218,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Cache [libs]
-        uses: actions/cache/restore@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
+        uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         with:
           path: |
             libs/*.xz