cargo: bump zerocopy from 0.8.27 to 0.8.31 in /src/exercises/bare-metal/rtc in the patch group (#2984)

Bumps the patch group in /src/exercises/bare-metal/rtc with 1 update:
[zerocopy](https://github.com/google/zerocopy).

Updates `zerocopy` from 0.8.27 to 0.8.31

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

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

@@ -132,9 +132,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.39"
+version = "1.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1f1914ce909e1658d9907913b4b91947430c7d9be598b15a1912935b8c04801"
+checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
 dependencies = [
  "proc-macro2",
 ]
@@ -228,18 +228,18 @@ checksum = "00e2473a93778eb0bad35909dff6a10d28e63f792f16ed15e404fca9d5eeedbe"
 
 [[package]]
 name = "zerocopy"
-version = "0.8.27"
+version = "0.8.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0894878a5fa3edfd6da3f88c4805f4c8558e2b996227a3d864f47fe11e38282c"
+checksum = "fd74ec98b9250adb3ca554bdde269adf631549f51d8a8f8f0a10b50f1cb298c3"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.27"
+version = "0.8.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d2b8d9c68ad2b9e4340d7832716a4d21a22a1154777ad56ea55c51a9cf3831"
+checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
 dependencies = [
  "proc-macro2",
  "quote",

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

@@ -17,4 +17,4 @@ log = "0.4.28"
 safe-mmio = "0.2.5"
 smccc = "0.2.2"
 spin = "0.10.0"
-zerocopy = "0.8.27"
+zerocopy = "0.8.31"