MM-43753: Go mod tidy for 1.18 (#20073)

We bump the go.mod version to 1.18
and run go mod tidy.

This is required for using new features.

```release-note
NONE
```

vendor/github.com/richardlehane/mscfb/go.mod

@@ -1,3 +0,0 @@
-module github.com/richardlehane/mscfb
-
-require github.com/richardlehane/msoleps v1.0.1

vendor/github.com/richardlehane/mscfb/go.sum

@@ -1,4 +0,0 @@
-github.com/richardlehane/msoleps v1.0.0 h1:43jYNcb7QTmsVrYW7JL5juc780S/2zZcGnseW6PL09A=
-github.com/richardlehane/msoleps v1.0.0/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
-github.com/richardlehane/msoleps v1.0.1 h1:RfrALnSNXzmXLbGct/P2b4xkFz4e8Gmj/0Vj9M9xC1o=
-github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=

vendor/github.com/richardlehane/msoleps/go.mod

@@ -1 +0,0 @@
-module github.com/richardlehane/msoleps