Bump ubuntu in /tests/rsrc/riscv-64

Bumps ubuntu from 22.04@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658 to sha256:1e622c5f073b4f6bfad6632f2616c7f59ef256e96fe78bf6a595d1dc4376ac02.

---
updated-dependencies:
- dependency-name: ubuntu
  dependency-version: sha256:1e622c5f073b4f6bfad6632f2616c7f59ef256e96fe78bf6a595d1dc4376ac02
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/rsrc/riscv-64/Dockerfile

@@ -1,5 +1,5 @@
 # hadolint global ignore=DL3008
-FROM ubuntu:22.04@sha256:adbb90115a21969d2fe6fa7f9af4253e16d45f8d4c1e930182610c4731962658 AS buildroot
+FROM ubuntu:24.04@sha256:1e622c5f073b4f6bfad6632f2616c7f59ef256e96fe78bf6a595d1dc4376ac02 AS buildroot
 
 ARG BUILDROOT_REV="2023.11.x"