cargo: bump the patch group in /src/exercises/bare-metal/rtc with 2 updates (#2618)

Bumps the patch group in /src/exercises/bare-metal/rtc with 2 updates:
[log](https://github.com/rust-lang/log) and
[cc](https://github.com/rust-lang/cc-rs).

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

Author: dependabot[bot]

src/exercises/bare-metal/rtc/Cargo.lock

@@ -10,9 +10,9 @@ publish = false
 arm-gic = "0.1.2"
 bitflags = "2.8.0"
 chrono = { version = "0.4.39", default-features = false }
-log = "0.4.22"
+log = "0.4.25"
 smccc = "0.1.1"
 spin = "0.9.8"
 
 [build-dependencies]
-cc = "1.2.6"
+cc = "1.2.11"