chore(deps): bump openssl from 0.10.66 to 0.10.68 in /examples (#478)

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.66 to 0.10.68.
- [Release notes](https://github.com/sfackler/rust-openssl/releases)
- [Commits](https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.66...openssl-v0.10.68)

---
updated-dependencies:
- dependency-name: openssl
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

examples/Cargo.lock

@@ -1906,9 +1906,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openssl"
-version = "0.10.66"
+version = "0.10.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9529f4786b70a3e8c61e11179af17ab6188ad8d0ded78c5529441ed39d4bd9c1"
+checksum = "6174bc48f102d208783c2c84bf931bb75927a617866870de8a4ea85597f871f5"
 dependencies = [
  "bitflags 2.5.0",
  "cfg-if",
@@ -1932,9 +1932,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.103"
+version = "0.9.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f9e8deee91df40a943c71b917e5874b951d32a802526c85721ce3b776c929d6"
+checksum = "45abf306cbf99debc8195b66b7346498d7b10c210de50418b5ccd7ceba08c741"
 dependencies = [
  "cc",
  "libc",