chore(workflow): run jobs on public runners (#9643)

# Which Problems Are Solved

Build and test workflows are currently running on specific GitHub hosted
runners. These is not needed for most worklfows and just costs more.

# How the Problems Are Solved

Moved all the steps apart from integration-tests to public runners.

# Additional Changes

None

# Additional Context

None

(cherry picked from commit 3424204291)

.github/workflows/console.yml

@@ -23,8 +23,7 @@ jobs:
     outputs:
       cache_key: ${{ steps.cache.outputs.cache-primary-key }}
       cache_path: ${{ env.cache_path }}
-    runs-on: 
-      group:  zitadel-public
+    runs-on: ubuntu-latest
     steps:
         - 
           uses: actions/checkout@v4

.github/workflows/core-unit-test.yml

@@ -21,8 +21,7 @@ on:
 
 jobs:
   test:
-    runs-on: 
-      group: zitadel-public
+    runs-on: ubuntu-latest
     steps:
       - 
         uses: actions/checkout@v3

.github/workflows/core.yml

@@ -31,8 +31,7 @@ env:
 
 jobs:
   build:
-    runs-on:
-      group: zitadel-public
+    runs-on: ubuntu-latest
     outputs:
       cache_key: ${{ steps.cache.outputs.cache-primary-key }}
       cache_path: ${{ env.cache_path }}

.github/workflows/e2e.yml

@@ -10,8 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         browser: [firefox, chrome]
-    runs-on:
-      group: zitadel-public
+    runs-on: ubuntu-latest
     steps:
       - 
         name: Checkout Repository