Separate steps to bump version in pull request action into a separate job

.github/workflows/pull_request.yml

@@ -1,5 +1,7 @@
-name: Dr Header Pull Request handler
+name: Pull Request Handler
+
 on: pull_request
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -8,15 +10,15 @@ jobs:
       matrix:
           python-version: ["3.8", "3.9", "3.10", "3.11"]
     steps:
-      - name: Checkout Code
+      - name: Checkout code
         uses: actions/[email protected]
 
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
            python-version: ${{ matrix.python-version }}
 
-      - name: Install PIP Dependencies
+      - name: Install dependencies
         run: |
           pip install -r requirements.txt
           pip install -r requirements_dev.txt
@@ -41,23 +43,30 @@ jobs:
       - name: Run SCA scan
         run: tox run -e sca
 
-      - name: Checkout origin branch if PR 'to-branch' is master
-        if: github.base_ref == 'master'
+  bump-version:
+    if: github.base_ref == 'master'
+    needs: build
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install dependencies
+        run: |
+          pip install bump2version==1.0.1
+
+      - name: Checkout head branch
         uses: actions/[email protected]
         with:
           ref: ${{ github.head_ref }}
 
-      - name: BumpVersion if PR 'to-branch' is master
-        if: github.base_ref == 'master'
+      - name: Bump version
         run: |
           grep -i 'current_version = ' setup.cfg | head -1 | tr -d 'current_version = '
           git config --local user.email "[email protected]"
           git config --local user.name "GitHub Action"
           bump2version minor
           grep -i 'current_version = ' setup.cfg | head -1 | tr -d 'current_version = '
 
-      - name: Push changes if PR 'to-branch' is master
-        if: github.base_ref == 'master'
+      - name: Push changes to origin
         uses: ad-m/github-push-action@master
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

requirements_dev.txt

@@ -1,4 +1,3 @@
-bump2version==1.0.1
 wheel==0.41.3
 watchdog==3.0.0
 tox==4.11.3