chore(deps): bump gcovr from 7.2 to 8.2 in /.devcontainer (#599)

Bumps [gcovr](https://github.com/gcovr/gcovr) from 7.2 to 8.2.
- [Release notes](https://github.com/gcovr/gcovr/releases)
- [Changelog](https://github.com/gcovr/gcovr/blob/main/CHANGELOG.rst)
- [Commits](gcovr/gcovr@7.2...8.2)

---
updated-dependencies:
- dependency-name: gcovr
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.devcontainer/cpp/requirements.in

@@ -1,2 +1,2 @@
 cmake==3.30.4
-gcovr==7.2
+gcovr==8.2

.devcontainer/cpp/requirements.txt

@@ -27,9 +27,9 @@ colorlog==6.8.2 \
     --hash=sha256:3e3e079a41feb5a1b64f978b5ea4f46040a94f11f0e8bbb8261e3dbbeca64d44 \
     --hash=sha256:4dcbb62368e2800cb3c5abd348da7e53f6c362dda502ec27c560b2e58a66bd33
     # via gcovr
-gcovr==7.2 \
-    --hash=sha256:e3e95cb56ca88dbbe741cb5d69aa2be494eb2fc2a09ee4f651644a670ee5aeb3 \
-    --hash=sha256:fd5cc432c9df863983c530dbd5077937c730b6589117916c188577681469b395
+gcovr==8.2 \
+    --hash=sha256:9a1dddd4585d13ec77555db5d6b6a31ee81587ea6fc604ff9fcd232cb0782df5 \
+    --hash=sha256:bee23da2198bc1e0b9d0109018b9460df52355372319b5ddf81aca4e54f6bd61
     # via -r cpp/requirements.in
 jinja2==3.1.4 \
     --hash=sha256:4a3aee7acbbe7303aede8e9648d13b8bf88a429282aa6122a993f0ac800cb369 \