cirrus-ci update image-family to freebsd-13-2

13-1 caused errors during package installation.

Signed-off-by: Juergen Repp <[email protected]>

.cirrus.yml

@@ -5,8 +5,9 @@ task:
     ibmtpm_name: ibmtpm1637
   freebsd_instance:
     matrix:
-      image_family: freebsd-13-1
+      image_family: freebsd-13-2
   install_script:
+    - IGNORE_OSVERSION=yes
     - pkg update -f
     - pkg upgrade -y
     - pkg install -y bash gmake coreutils libtool pkgconf autoconf autoconf-archive