fw: iec: bump paste from 1.0.11 to 1.0.12 in /Firmware-IEC

Bumps [paste](https://github.com/dtolnay/paste) from 1.0.11 to 1.0.12.
- [Release notes](https://github.com/dtolnay/paste/releases)
- [Commits](dtolnay/paste@1.0.11...1.0.12)

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

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

Author: dependabot[bot]

Firmware-IEC/Cargo.lock

@@ -17,7 +17,7 @@ cty = "0.2.2"
 embedded-hal = { version = "0.2.6", features=["unproven"] }
 embedded-time = "0.12.0"
 panic-rtt-target = { version = "0.1.2", features = ["cortex-m"] }
-paste = "1.0.11"
+paste = "1.0.12"
 port-expander = "0.3.0"
 rp-pico = "0.2.0"
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }