ci: reduce all azure timeouts to 3 hours

As the infra team we decided to have an hard timeout of 3 hours on all
the jobs: while this sometimes causes spurious timeout errors it's a
great limit to prevent CI time to grow even more.

Author: pietroalbini

.azure-pipelines/auto.fanout.yml

@@ -18,7 +18,7 @@ variables:
 jobs:
 # WINDOWS JOBS
 - job: Windows
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: tar
   pool:
@@ -38,7 +38,7 @@ jobs:
         SCRIPT: make ci-subset-2
 
 - job: Windows_build  
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: tar
   pool:
@@ -66,7 +66,7 @@ jobs:
 
 - job: Windows_test
   dependsOn: Windows_build
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: tar
     SKIP_PREP: 1
@@ -285,7 +285,7 @@ jobs:
 
 # macOS JOBS
 - job: macOS
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: gtar
   pool:
@@ -306,7 +306,7 @@ jobs:
         NO_DEBUG_ASSERTIONS: 1
 
 - job: macOS_build
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: gtar
   pool:
@@ -351,7 +351,7 @@ jobs:
 
 - job: macOS_test
   dependsOn: macOS_build
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   variables:
     TAR_COMMAND: gtar
     SKIP_PREP: 1

.azure-pipelines/auto.yml

@@ -16,7 +16,7 @@ variables:
 
 jobs:
 - job: Linux
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: ubuntu-16.04
   steps:
@@ -158,7 +158,7 @@ jobs:
         IMAGE: mingw-check
 
 - job: macOS
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: macos-10.13
   steps:
@@ -228,7 +228,7 @@ jobs:
 
 
 - job: Windows
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: 'vs2017-win2016'
   steps:

.azure-pipelines/pr.yml

@@ -11,7 +11,7 @@ variables:
 
 jobs:
 - job: Linux
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: ubuntu-16.04
   steps:

.azure-pipelines/test.yml

@@ -10,7 +10,7 @@ variables:
 
 jobs:
 - job: Linux
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: ubuntu-16.04
   steps:
@@ -48,7 +48,7 @@ jobs:
       mingw-check: {}
 
 - job: macOS
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: macos-10.13
   steps:
@@ -83,7 +83,7 @@ jobs:
         NO_DEBUG_ASSERTIONS: 1
 
 - job: Windows
-  timeoutInMinutes: 600
+  timeoutInMinutes: 180
   pool:
     vmImage: 'vs2017-win2016'
   steps:

.azure-pipelines/try.yml

@@ -11,7 +11,7 @@ variables:
 
 jobs:
 - job: Linux
-  timeoutInMinutes: 300
+  timeoutInMinutes: 180
   pool:
     vmImage: ubuntu-16.04
   strategy: