Increase memory to 1GB per core

Author: brooksdavis

.github/workflows/freebsd-vm-matrix.yml

@@ -41,7 +41,7 @@ jobs:
       freebsd_version: "15.0"
       anyvm_builder_version: 2.0.8
       cpus: 8
-      mem: 4096
+      mem: 8192
       anyvm_data: /__w/freebsd-src/anyvm_data
       anyvm_cache: /__w/freebsd-src/anyvm_cache
       project_root: /__w/freebsd-src/