build: recommend Xcode 13 or later

Change-Id: I463862ef11ad132e47e393007a449e942d293334
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7029313..65e90ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,8 @@
 name: CI
 on:
   push:
+    branches:
+      - '**'
     paths-ignore:
       - 'Dockerfile'
       - '.dockerignore'
diff --git a/.jenkins.d/00-deps.sh b/.jenkins.d/00-deps.sh
index c278382..dc9eadb 100755
--- a/.jenkins.d/00-deps.sh
+++ b/.jenkins.d/00-deps.sh
@@ -34,6 +34,7 @@
 set -x
 
 if [[ $ID == macos ]]; then
+    export HOMEBREW_NO_ENV_HINTS=1
     if [[ -n $GITHUB_ACTIONS ]]; then
         export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
     fi
diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
index 39b3025..e412692 100644
--- a/.waf-tools/default-compiler-flags.py
+++ b/.waf-tools/default-compiler-flags.py
@@ -27,9 +27,9 @@
         if Utils.unversioned_sys_platform() == 'darwin':
             if ccver < (10, 0, 0):
                 errmsg = ('The version of Xcode you are using is too old.\n'
-                          'The minimum supported Xcode version is 12.4.')
-            elif ccver < (12, 0, 0):
-                warnmsg = ('Using a version of Xcode older than 12.4 is not '
+                          'The minimum supported Xcode version is 13.0.')
+            elif ccver < (13, 0, 0):
+                warnmsg = ('Using a version of Xcode older than 13.0 is not '
                            'officially supported and may result in build failures.')
         elif ccver < (7, 0, 0):
             errmsg = ('The version of clang you are using is too old.\n'