Bump scheduled-thread-pool from 0.2.5 to 0.2.6

Bumps [scheduled-thread-pool](https://github.com/sfackler/scheduled-thread-pool) from 0.2.5 to 0.2.6.
- [Release notes](https://github.com/sfackler/scheduled-thread-pool/releases)
- [Commits](https://github.com/sfackler/scheduled-thread-pool/compare/v0.2.5...v0.2.6)

---
updated-dependencies:
- dependency-name: scheduled-thread-pool
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -4137,11 +4137,11 @@ dependencies = [
 
 [[package]]
 name = "scheduled-thread-pool"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc6f74fd1204073fa02d5d5d68bec8021be4c38690b61264b2fdb48083d0e7d7"
+checksum = "977a7519bff143a44f842fd07e80ad1329295bd71686457f18e496736f4bf9bf"
 dependencies = [
- "parking_lot 0.11.2",
+ "parking_lot 0.12.0",
 ]
 
 [[package]]