fix changed files output for github actions

.github/workflows/docs.yml

@@ -20,7 +20,10 @@ jobs:
         id: gendocs
         run: |
           make generate-docs
-          echo "::set-output name=changes::$(git status --porcelain)"
+          c=$(git status --porcelain)
+          c="${c//$'\n'/'%0A'}"
+          c="${c//$'\r'/'%0D'}"
+          echo "::set-output name=changes::$c"
       - name: Create PR
         if: ${{ steps.gendocs.outputs.changes != '' }}
         uses: peter-evans/create-pull-request@v3
@@ -37,6 +40,7 @@ jobs:
           body: |
             Committing changes resulting from `make generate-docs`.
             This PR is auto-generated by the [gendocs](https://github.com/kubernetes/minikube/blob/master/.github/workflows/docs.yml) CI workflow.
+
             ```
             ${{ steps.gendocs.outputs.changes }}
             ```

.github/workflows/leaderboard.yml

@@ -21,7 +21,10 @@ jobs:
         id: leaderboard
         run: |
           make update-leaderboard
-          echo "::set-output name=changes::$(git status --porcelain)"
+          c=$(git status --porcelain)
+          c="${c//$'\n'/'%0A'}"
+          c="${c//$'\r'/'%0D'}"
+          echo "::set-output name=changes::$c"
         env:
           GITHUB_TOKEN: ${{ secrets.MINIKUBE_BOT_PAT }}
       - name: Create PR
@@ -40,6 +43,7 @@ jobs:
           body: |
             Committing changes resulting from `make update-leaderboard`.
             This PR is auto-generated by the [update-leaderboard](https://github.com/kubernetes/minikube/blob/master/.github/workflows/leaderboard.yml) CI workflow.
+
             ```
             ${{ steps.leaderboard.outputs.changes }}
             ```

.github/workflows/update-k8s-versions.yml

@@ -20,7 +20,10 @@ jobs:
         id: bumpk8s
         run: |
           make update-kubernetes-version
-          echo "::set-output name=changes::$(git status --porcelain)"
+          c=$(git status --porcelain)
+          c="${c//$'\n'/'%0A'}"
+          c="${c//$'\r'/'%0D'}"
+          echo "::set-output name=changes::$c"
       - name: Create PR
         if: ${{ steps.bumpk8s.outputs.changes != '' }}
         uses: peter-evans/create-pull-request@v3
@@ -39,5 +42,7 @@ jobs:
             This PR was auto-generated by `make update-kubernetes-version` using [update-k8s-versions.yml](https://github.com/kubernetes/minikube/tree/master/.github/workflows) CI Workflow. 
             Please only merge if all the tests pass.
             
+            ```
             ${{ steps.bumpk8s.outputs.changes }}
+            ```