Tweak CI configs (prettier#7860)

* Only run on `master` push

* Test `CRLF` on windows

.github/workflows/dev-test.yml

@@ -1,6 +1,10 @@
 name: Dev
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   test:

.github/workflows/lint.yml

@@ -1,6 +1,10 @@
 name: Lint
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   lint:

.github/workflows/prod-test.yml

@@ -1,6 +1,10 @@
 name: Prod
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   build:

tests_config/run_spec.js

@@ -5,9 +5,11 @@ const path = require("path");
 const raw = require("jest-snapshot-serializer-raw").wrap;
 const { isCI } = require("ci-info");
 
-const { TEST_STANDALONE, TEST_CRLF } = process.env;
+const { TEST_STANDALONE } = process.env;
 const AST_COMPARE = isCI || process.env.AST_COMPARE;
 const DEEP_COMPARE = isCI || process.env.DEEP_COMPARE;
+const TEST_CRLF =
+  (isCI && process.platform === "win32") || process.env.TEST_CRLF;
 
 const CURSOR_PLACEHOLDER = "<|>";
 const RANGE_START_PLACEHOLDER = "<<<PRETTIER_RANGE_START>>>";