Stop mergify from keeping stale PRs alive (#26169)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

Author: hmellor

.github/mergify.yml

@@ -2,6 +2,7 @@ pull_request_rules:
 - name: label-documentation
   description: Automatically apply documentation label
   conditions:
+    - label != stale
     - or:
       - files~=^[^/]+\.md$
       - files~=^docs/
@@ -14,6 +15,7 @@ pull_request_rules:
 - name: label-ci-build
   description: Automatically apply ci/build label
   conditions:
+    - label != stale
     - or:
       - files~=^\.github/
       - files~=\.buildkite/
@@ -30,6 +32,7 @@ pull_request_rules:
 - name: label-deepseek
   description: Automatically apply deepseek label
   conditions:
+    - label != stale
     - or:
       - files~=^examples/.*deepseek.*\.py
       - files~=^tests/.*deepseek.*\.py
@@ -46,6 +49,7 @@ pull_request_rules:
 - name: label-frontend
   description: Automatically apply frontend label
   conditions:
+    - label != stale
     - files~=^vllm/entrypoints/
   actions:
     label:
@@ -55,6 +59,7 @@ pull_request_rules:
 - name: label-llama
   description: Automatically apply llama label
   conditions:
+    - label != stale
     - or:
       - files~=^examples/.*llama.*\.py
       - files~=^tests/.*llama.*\.py
@@ -70,6 +75,7 @@ pull_request_rules:
 - name: label-multi-modality
   description: Automatically apply multi-modality label
   conditions:
+    - label != stale
     - or:
       - files~=^vllm/multimodal/
       - files~=^tests/multimodal/
@@ -83,6 +89,7 @@ pull_request_rules:
 - name: label-new-model
   description: Automatically apply new-model label
   conditions:
+    - label != stale
     - and:
       - files~=^vllm/model_executor/models/
       - files=vllm/model_executor/models/registry.py
@@ -94,6 +101,7 @@ pull_request_rules:
 - name: label-performance
   description: Automatically apply performance label
   conditions:
+    - label != stale
     - or:
       - files~=^benchmarks/
       - files~=^vllm/benchmarks/
@@ -107,6 +115,7 @@ pull_request_rules:
 - name: label-qwen
   description: Automatically apply qwen label
   conditions:
+    - label != stale
     - or:
       - files~=^examples/.*qwen.*\.py
       - files~=^tests/.*qwen.*\.py
@@ -121,6 +130,7 @@ pull_request_rules:
 - name: label-gpt-oss
   description: Automatically apply gpt-oss label
   conditions:
+    - label != stale
     - or:
       - files~=^examples/.*gpt[-_]?oss.*\.py
       - files~=^tests/.*gpt[-_]?oss.*\.py
@@ -142,6 +152,7 @@ pull_request_rules:
 - name: label-rocm
   description: Automatically apply rocm label
   conditions:
+    - label != stale
     - or:
       - files~=^csrc/rocm/
       - files~=^docker/Dockerfile.rocm
@@ -162,6 +173,7 @@ pull_request_rules:
 - name: label-structured-output
   description: Automatically apply structured-output label
   conditions:
+    - label != stale
     - or:
       - files~=^benchmarks/structured_schemas/
       - files=benchmarks/benchmark_serving_structured_output.py
@@ -181,6 +193,7 @@ pull_request_rules:
 - name: label-speculative-decoding
   description: Automatically apply speculative-decoding label
   conditions:
+    - label != stale
     - or:
       - files~=^vllm/v1/spec_decode/
       - files~=^tests/v1/spec_decode/
@@ -196,6 +209,7 @@ pull_request_rules:
 - name: label-v1
   description: Automatically apply v1 label
   conditions:
+    - label != stale
     - or:
       - files~=^vllm/v1/
       - files~=^tests/v1/
@@ -208,6 +222,7 @@ pull_request_rules:
   description: Automatically apply tpu label
   # Keep this list in sync with `label-tpu-remove` conditions
   conditions:
+    - label != stale
     - or:
       - files~=tpu.py
       - files~=_tpu
@@ -223,6 +238,7 @@ pull_request_rules:
   description: Automatically remove tpu label
   # Keep this list in sync with `label-tpu` conditions
   conditions:
+    - label != stale
     - and:
       - -files~=tpu.py
       - -files~=_tpu
@@ -237,6 +253,7 @@ pull_request_rules:
 - name: label-tool-calling
   description: Automatically add tool-calling label
   conditions:
+    - label != stale
     - or:
       - files~=^tests/tool_use/
       - files~=^tests/entrypoints/openai/tool_parsers/
@@ -255,8 +272,9 @@ pull_request_rules:
 
 - name: ping author on conflicts and add 'needs-rebase' label
   conditions:
-      - conflict
-      - -closed
+    - label != stale
+    - conflict
+    - -closed
   actions:
     label:
       add:
@@ -270,6 +288,8 @@ pull_request_rules:
 
 - name: assign reviewer for tensorizer changes
   conditions:
+    - label != stale
+    - or:
       - files~=^vllm/model_executor/model_loader/tensorizer.py
       - files~=^vllm/model_executor/model_loader/tensorizer_loader.py
       - files~=^tests/entrypoints/openai/test_tensorizer_entrypoint.py
@@ -281,6 +301,7 @@ pull_request_rules:
 
 - name: assign reviewer for modelopt changes
   conditions:
+    - label != stale
     - or:
         - files~=^vllm/model_executor/layers/quantization/modelopt\.py$
         - files~=^vllm/model_executor/layers/quantization/__init__\.py$
@@ -295,8 +316,8 @@ pull_request_rules:
 
 - name: remove 'needs-rebase' label when conflict is resolved
   conditions:
-      - -conflict
-      - -closed
+    - -conflict
+    - -closed
   actions:
     label:
       remove:
@@ -305,6 +326,7 @@ pull_request_rules:
 - name: label-kv-connector
   description: Automatically apply kv-connector label
   conditions:
+    - label != stale
     - or:
       - files~=^examples/online_serving/disaggregated[^/]*/.*
       - files~=^examples/offline_inference/disaggregated[^/]*/.*