Update to latest extension workflows (#33)

This PR updates the workflows for extensions to the latest version from
the Zed repository.

Author: MrSubidubi

.github/workflows/bump_version.yml

@@ -8,6 +8,9 @@ on:
   push:
     branches:
     - main
+    paths-ignore:
+    - .github/**
+  workflow_dispatch: {}
 jobs:
   determine_bump_type:
     runs-on: namespace-profile-16x32-ubuntu-2204

.github/workflows/run_tests.yml

@@ -5,6 +5,9 @@ on:
   pull_request:
     branches:
     - '**'
+  push:
+    branches:
+    - main
 jobs:
   call_extension_tests:
     uses: zed-industries/zed/.github/workflows/extension_tests.yml@main