Bump the github-actions group with 1 update (keras-team#1438)

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


Updates `actions/cache` from 3 to 4
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

Author: dependabot[bot]

.github/workflows/actions.yml

@@ -26,7 +26,7 @@ jobs:
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
@@ -62,7 +62,7 @@ jobs:
         python -m pip install --upgrade pip setuptools
         echo "::set-output name=dir::$(pip cache dir)"
     - name: pip cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
@@ -92,7 +92,7 @@ jobs:
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}

.github/workflows/nightly.yml

@@ -27,7 +27,7 @@ jobs:
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}

.github/workflows/publish-to-pypi.yml

@@ -21,7 +21,7 @@ jobs:
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}