update workflow based on off-screen testing

.github/workflows/update_dev_version.yml

@@ -1,28 +1,35 @@
 
+name: Update Version
 on:
   pull_request_review:
-    types:
-      - submitted
+    types: [submitted]
   workflow_dispatch:
 
 
 jobs:
   update_version:
-  if: github.event.review.state == 'approved'
-  runs-on: ubuntu-latest
-  steps:
-    - name: Checkout source
-      uses: actions/checkout@v3
-    - name: configure git
-      run: |
-        git config user.name "GitHub Actions Bot"
-        git config user.email "<>"
-    - name: update version
-      run: |
-        last_release=$(git tag --list | tail -n 1)
-        num_commits_since_release=$(($(git rev-list $last_release..main | wc -l) + 1 ))
-        sed -i "s/__version__\s*=\s*\"(\d+\.\d+\.\d+).dev(\d+)\"/__version__ = \"$1.dev$num_commits_since_release\"/" hydromt/__init__.py
-        git add hydromt/__init__.py
-        git commit -m "update version"
-        git push origin ${{ github.ref_name}} -f
-        gh pr comment ${{ github.ref_name }} -b "I've updated the version for you. Feel free to merge now!"
+    if: github.event_name == 'workflow_dispatch' || github.event.review.state == 'approved'
+    defaults:
+      run:
+        shell: bash -l {0}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v3
+      - name: configure git
+        run: |
+          git config user.name "GitHub Actions Bot"
+          git config user.email "<>"
+      - name: Fetch last release
+        run: echo "LAST_RELEASE=$(git tag --list | tail -n 1)" >> $GITHUB_ENV
+      - name: calculate number of commist since last release
+        run: echo "NUM_COMMITS=$(($(git rev-list ${{ env.LAST_RELEASE }}..main | wc -l) + 1 ))" >> $GITHUB_ENV
+      - name: update version
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          sed -i "s/__version__\s*=\s*\"\([0-9]\+\.[0-9]\+\.[0-9]\+\).dev[0-9]\+\"/__version__ = \"\1.dev1\"/" hydromt/__init__.py
+          git add hydromt/__init__.py
+          git commit -m "update version"
+          git push origin ${{ github.ref_name}}
+          gh pr comment ${{ github.ref_name }} -b "I've updated the version for you. Feel free to merge now!"