Add proper shell bash

Author: rubenvdlinde

README.md

@@ -24,6 +24,14 @@ jobs:
 
 In the above example a `publiccode` file is updated every time code on the `main` branche is touched
 
+> **Warning**
+> If you do not supply the action with an access token or an SSH key, you must access your repositories settings and provide `Read and Write Permissions` to the provided `GITHUB_TOKEN`, otherwise you'll potentially run into permission issues. Alternatively you can set the following in your workflow file to grant the action the permissions it needs.
+
+```yml
+permissions:
+  contents: write
+```
+
 ## Inputs
 
 | Input Name   | Description                                                  | Default Value        |

action.yaml

@@ -43,6 +43,7 @@ runs:
         python-version: '3.x'
     # Transfer the repossitory data to the container
     - name: Transfer the repossitory data to the container
+      shell: bash
       run: |
         echo "REPO_NAME=${{ github.event.repository.name }}" >> $GITHUB_ENV
         echo "REPO_DESC=${{ github.event.repository.description }}" >> $GITHUB_ENV
@@ -62,16 +63,17 @@ runs:
       # Create changes  if it is a normal repository
     - name: Create or update the publiccode file
       if: (!contains(github.repository, '.github'))
-      run: python update_publiccode.py
       shell: bash
+      run: python update_publiccode.py
       # Create changes  if it is an organisation repository
     - name: Create or update the publicorganisation file
       if: (contains(github.repository, '.github'))
-      run: python update_publicorganisation.py
       shell: bash
+      run: python update_publicorganisation.py
     # Commit changes if it is a normal repository
     - name: Commit changes
       if: (!contains(github.repository, '.github'))
+      shell: bash
       run: |
         git config --local user.email "action@github.com"
         git config --local user.name "GitHub Action"
@@ -81,6 +83,7 @@ runs:
     # Commit changes if it is an organisation repository
     - name: Commit changes
       if: (contains(github.repository, '.github'))
+      shell: bash
       run: |
         git config --local user.email "action@github.com"
         git config --local user.name "GitHub Action"
@@ -89,6 +92,7 @@ runs:
         git push
     # Post Repository URL to OpenCatalogi API
     - name: Post Repository URL to OpenCatalogi API
+      shell: bash
       run: |
         curl -X POST "https://api.opencatalogi.nl/api/github_events" \
         -H "Content-Type: application/json" \