Rollup merge of rust-lang#142110 - psumbera:solaris-ci-build4, r=marcoieni

Add solaris targets to build-manifest

this is follow up for: rust-lang#138699

Author: jhpratt

src/tools/build-manifest/src/main.rs

@@ -40,7 +40,9 @@ static HOSTS: &[&str] = &[
     "powerpc64le-unknown-linux-musl",
     "riscv64gc-unknown-linux-gnu",
     "s390x-unknown-linux-gnu",
+    "sparcv9-sun-solaris",
     "x86_64-apple-darwin",
+    "x86_64-pc-solaris",
     "x86_64-pc-windows-gnu",
     "x86_64-pc-windows-msvc",
     "x86_64-unknown-freebsd",