.cirrus.yml: update Go to 1.25.5, FreeBSD to 14.3 and 15.0

Author: tklauser

.cirrus.yml

@@ -1,20 +1,20 @@
 env:
   CIRRUS_CLONE_DEPTH: 1
-  GO_VERSION: go1.25.0
+  GO_VERSION: go1.25.5
 
-freebsd_13_task:
+freebsd_14_task:
   freebsd_instance:
-    image_family: freebsd-13-5
+    image_family: freebsd-14-3
   install_script: |
     pkg install -y go
     GOBIN=$PWD/bin go install golang.org/dl/${GO_VERSION}@latest
     bin/${GO_VERSION} download
   build_script: bin/${GO_VERSION} build -v ./...
   test_script: bin/${GO_VERSION} test -race ./...
 
-freebsd_14_task:
+freebsd_15_task:
   freebsd_instance:
-    image_family: freebsd-14-2
+    image_family: freebsd-15-0-amd64-zfs
   install_script: |
     pkg install -y go
     GOBIN=$PWD/bin go install golang.org/dl/${GO_VERSION}@latest