Add some FreeBSD pkg installs and pause on linux.

.cirrus.yml

@@ -4,6 +4,8 @@ task:
     image: freebsd-12-1-release-amd64
   install_script:
     - ln -s /usr/local/bin/bash /bin/bash
+    - pkg install -y autotools xxhash zstd liblz4
+
   script:
     - CPPFLAGS=-I/usr/local/include/ LDFLAGS=-L/usr/local/lib/ ./configure
     - make

.github/workflows/ccpp.yml

@@ -2,7 +2,7 @@ name: build
 
 on:
   push:
-    branches: [ master ]
+    branches: [ b3.0.x ]
   pull_request:
     branches: [ master ]