chore(deps): bump xmidt-org/shared-go from 4.4.20 to 4.4.21

Bumps [xmidt-org/shared-go](https://github.com/xmidt-org/shared-go) from 4.4.20 to 4.4.21.
- [Release notes](https://github.com/xmidt-org/shared-go/releases)
- [Commits](xmidt-org/shared-go@b667178...c01bf68)

---
updated-dependencies:
- dependency-name: xmidt-org/shared-go
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ on:
 jobs:
   ci:
     # yamllint disable-line
-    uses: xmidt-org/shared-go/.github/workflows/ci.yml@b667178a63b2cf6d61739d53fa1e3f200adfb12e # v4.4.20
+    uses: xmidt-org/shared-go/.github/workflows/ci.yml@c01bf687bfa46ac5490335ae4684a4a0771a64bc # v4.4.21
     with:
       release-type:   library
       yaml-lint-skip: false