remove toolcache env its hardcoded in the runners config now

.gitea/workflows/push-ci.yaml

@@ -6,8 +6,6 @@ on:
 jobs:
   lint:
     name: Lint
-    env:
-      RUNNER_TOOL_CACHE: /toolcache
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -38,8 +36,6 @@ jobs:
 
   test:
     name: Test
-    env: 
-      RUNNER_TOOL_CACHE: /toolcache
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -70,8 +66,6 @@ jobs:
 
   build:
     name: Build
-    env: 
-      RUNNER_TOOL_CACHE: /toolcache
     runs-on: ubuntu-latest
     steps:
       - name: Checkout