Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/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
...

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

.github/workflows/deptrac.yml

@@ -43,7 +43,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}
@@ -53,7 +53,7 @@ jobs:
         run: mkdir -p build/
 
       - name: Cache Deptrac results
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: build
           key: ${{ runner.os }}-deptrac-${{ github.sha }}

.github/workflows/infection.yml

@@ -49,7 +49,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}

.github/workflows/phpcsfixer.yml

@@ -38,7 +38,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}

.github/workflows/phpstan.yml

@@ -47,7 +47,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}
@@ -57,7 +57,7 @@ jobs:
         run: mkdir -p build/phpstan
 
       - name: Cache PHPStan results
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: build/phpstan
           key: ${{ runner.os }}-phpstan-${{ github.sha }}

.github/workflows/phpunit.yml

@@ -46,7 +46,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}

.github/workflows/psalm.yml

@@ -43,7 +43,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}
@@ -53,7 +53,7 @@ jobs:
         run: mkdir -p build/psalm
 
       - name: Cache Psalm results
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: build/psalm
           key: ${{ runner.os }}-psalm-${{ github.sha }}

.github/workflows/rector.yml

@@ -47,7 +47,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}

.github/workflows/unused.yml

@@ -41,7 +41,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache composer dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}-${{ hashFiles('**/composer.lock') }}