build(deps): bump pem from 3.0.5 to 3.0.6 (#4310)

Bumps [pem](https://github.com/jcreekmore/pem-rs) from 3.0.5 to 3.0.6.
- [Changelog](https://github.com/jcreekmore/pem-rs/blob/master/CHANGELOG.md)
- [Commits](jcreekmore/pem-rs@v3.0.5...v3.0.6)

---
updated-dependencies:
- dependency-name: pem
  dependency-version: 3.0.6
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -3012,12 +3012,12 @@ dependencies = [
 
 [[package]]
 name = "pem"
-version = "3.0.5"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38af38e8470ac9dee3ce1bae1af9c1671fffc44ddfd8bd1d0a3445bf349a8ef3"
+checksum = "1d30c53c26bc5b31a98cd02d20f25a7c8567146caf63ed593a9d87b2775291be"
 dependencies = [
  "base64",
- "serde",
+ "serde_core",
 ]
 
 [[package]]