feat: a Mise to the Renovate image

Adds Mise to the Renovate container image, to allow scripts which
install asdf dependencies to start migrating over to Mise.

Mise also makes it easier to install adhoc dependencies from Renovate
scripts.

Dockerfile.renovate

@@ -47,6 +47,9 @@ RUN install-tool golang "${GL_COMMON_RENOVATE_GOLANG_VERSION}"
 ENV ASDF_DIR=/asdf
 RUN git clone https://github.com/asdf-vm/asdf.git "${ASDF_DIR}"
+# Install mise
+RUN curl https://mise.jdx.dev/mise-latest-linux-x64 > /bin/mise && chmod 755 /bin/mise
+
 # Try install renovate with a retry
 RUN npm install -g renovate || npm install -g renovate

test/validate-renovate-container-image.sh

@@ -8,3 +8,4 @@ jb --version
 go version
 yarn -v
 ruby --version
+mise --version