build: Bump to latest igvm released version 0.4.0

Signed-off-by: Rob Bradford <rbradford@meta.com>

Cargo.lock

@@ -1054,7 +1054,8 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 [[package]]
 name = "igvm"
 version = "0.4.0"
-source = "git+https://github.com/microsoft/igvm?branch=main#9848d1f2a8a44931395a30debeae287b6d01505d"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67578b05ebcdfa1aa0fe13f77a13bdd7d87036128898a327f1bf8e7356cf09cd"
 dependencies = [
  "bitfield-struct 0.10.1",
  "crc32fast",
@@ -1071,7 +1072,8 @@ dependencies = [
 [[package]]
 name = "igvm_defs"
 version = "0.4.0"
-source = "git+https://github.com/microsoft/igvm?branch=main#9848d1f2a8a44931395a30debeae287b6d01505d"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eedd8c64460676101062f9f2ecdeb52d8f43e622da6a6c5bf5158f4ef08b0906"
 dependencies = [
  "bitfield-struct 0.10.1",
  "open-enum",

Cargo.toml

@@ -64,9 +64,8 @@ vm-memory = "0.16.1"
 vmm-sys-util = "0.14.0"
 
 # igvm crates
-# TODO: bump to 0.3.5 release
+igvm = "0.4.0"
-igvm = { git = "https://github.com/microsoft/igvm", branch = "main" }
+igvm_defs = "0.4.0"
-igvm_defs = { git = "https://github.com/microsoft/igvm", branch = "main" }
 
 # serde crates
 serde = "1.0.228"