Skip generate-workflows when triggered by push (open-telemetry#2836)

Fixes open-telemetry#2835

Author: ocelotl

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/misc.yml.j2

@@ -23,7 +23,7 @@ jobs:
     {%- if job_data == "generate-workflows" %}
     if: |
       !contains(github.event.pull_request.labels.*.name, 'Skip generate-workflows')
-      && github.actor != 'opentelemetrybot'
+      && github.actor != 'opentelemetrybot' && github.event_name == 'pull_request'
     {%- endif %}
     {%- if job_data == "public-symbols-check" %}
     if: |

.github/workflows/misc_0.yml

@@ -96,7 +96,7 @@ jobs:
     runs-on: ubuntu-latest
     if: |
       !contains(github.event.pull_request.labels.*.name, 'Skip generate-workflows')
-      && github.actor != 'opentelemetrybot'
+      && github.actor != 'opentelemetrybot' && github.event_name == 'pull_request'
     steps:
       - name: Checkout repo @ SHA - ${{ github.sha }}
         uses: actions/checkout@v4