chore: remove checkout step for base branch

.github/workflows/reusable-coveralls.yml

@@ -16,13 +16,6 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-          persist-credentials: false
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:

.github/workflows/reusable-phpunit-test.yml

@@ -169,13 +169,6 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y imagemagick libmagickwand-dev ghostscript poppler-data libjbig2dec0:amd64 libopenjp2-7:amd64
 
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-          persist-credentials: false
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:

.github/workflows/reusable-serviceless-phpunit-test.yml

@@ -65,13 +65,6 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y imagemagick libmagickwand-dev ghostscript poppler-data libjbig2dec0:amd64 libopenjp2-7:amd64
 
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-          persist-credentials: false
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:

.github/workflows/test-autoreview.yml

@@ -35,12 +35,6 @@ jobs:
     name: Check normalized composer.json
     runs-on: ubuntu-24.04
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 

.github/workflows/test-coding-standards.yml

@@ -34,12 +34,6 @@ jobs:
             composer-option: '--ignore-platform-req=php'
 
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 

.github/workflows/test-deptrac.yml

@@ -36,12 +36,6 @@ jobs:
     name: Architectural Inspection
     runs-on: ubuntu-24.04
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 

.github/workflows/test-phpstan.yml

@@ -45,12 +45,6 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 

.github/workflows/test-psalm.yml

@@ -35,13 +35,6 @@ jobs:
           - '8.2'
 
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-          persist-credentials: false
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:

.github/workflows/test-rector.yml

@@ -52,12 +52,6 @@ jobs:
             composer-option: '--ignore-platform-req=php'
 
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 

.github/workflows/test-structarmed.yml

@@ -50,12 +50,6 @@ jobs:
           - '8.5'
 
     steps:
-      - name: Checkout base branch for PR
-        if: github.event_name == 'pull_request'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          ref: ${{ github.base_ref }}
-
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
@@ -81,7 +75,7 @@ jobs:
           restore-keys: ${{ runner.os }}-composer-
 
       - name: Install dependencies
-        run: composer update --ansi --no-interaction ${{ matrix.composer-option }}
+        run: composer update --ansi --no-interaction
 
       - name: Structarmed Cache
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5