Add some profile.release options to optimize the resulting binary size

I took these from https://github.com/johnthagen/min-sized-rust.

Author: autarch

.github/workflows/ci.yml

@@ -117,7 +117,6 @@ jobs:
           target: ${{ matrix.platform.target }}
           toolchain: ${{ matrix.toolchain }}
           args: "--locked --release"
-          strip: true
       - name: Publish artifacts and release
         uses: houseabsolute/actions-rust-release@v0
         with:

Cargo.toml

@@ -41,3 +41,8 @@ pre-build = [
     "rm base.tar.xz",
     "rm -rf /tmp/netbsd",
 ]
+
+[profile.release]
+codegen-units = 1
+lto = true
+strip = true