chore: upgrade Grok CLI to version 0.2.106 and update checksums (#1430)

Author: fshiori

Dockerfile.grok

@@ -27,9 +27,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # Install Grok Build CLI — pinned version with SHA256 checksum verification.
 # Binary sourced from xAI's public artifacts bucket (same source the official
 # `https://x.ai/cli/install.sh` resolves to) so the build is reproducible.
-ARG GROK_VERSION=0.1.220
-ARG GROK_SHA256_AMD64=98d331d64dfc4fb1dae862475218cccdd195f76839b8361a0678af2fd388364b
-ARG GROK_SHA256_ARM64=3b15efc258f4219d01736acee70c575a8167f970cb4d497a3b0c218440db58ff
+ARG GROK_VERSION=0.2.106
+ARG GROK_SHA256_AMD64=7180d0e03cc2a496033ff3aae2223ce239446a9827a59faa76091c7edd5e1c38
+ARG GROK_SHA256_ARM64=d12be1698d56d4543f1f1095c2c26cd3d17a64e88772629673740991c188e4ff
 ARG TARGETPLATFORM
 RUN set -eux; \
     case "${TARGETPLATFORM:-linux/amd64}" in \