ci: fix actionlint errors

Signed-off-by: Shinya Hayashi <shinya-hayashi@cybozu.co.jp>

Author: peng225

.github/actionlint.yaml

@@ -0,0 +1,5 @@
+# You can see the self-hosted runners available for mantle.
+# https://github.com/cybozu-go/mantle/settings/actions/runners
+self-hosted-runner:
+  labels:
+    - mantle_large_runner_16core

.github/workflows/ceph-export-diff-release.yaml

@@ -22,5 +22,5 @@ jobs:
       - run: |
           VERSION=${GITHUB_REF#refs/tags/}
           zip -j packages.zip ceph/packages/*.deb ceph/packages/COPYING*
-          gh release create ${VERSION} -t "Release ${VERSION}"
-          gh release upload ${VERSION} packages.zip
+          gh release create "${VERSION}" -t "Release ${VERSION}"
+          gh release upload "${VERSION}" packages.zip

.github/workflows/release.yaml

@@ -14,14 +14,14 @@ jobs:
       - name: "Validate Release Version"
         id: check_version
         run: |
-          VERSION=$(echo $GITHUB_REF | sed -ne 's/[^0-9]*\([0-9]\+\.[0-9]\+\.[0-9]\+\(-.*\)\?\).*/\1/p')
+          VERSION=$(echo "$GITHUB_REF" | sed -ne 's/[^0-9]*\([0-9]\+\.[0-9]\+\.[0-9]\+\(-.*\)\?\).*/\1/p')
           if [ "$VERSION" = "" ]; then
             echo "Invalid version format. $GITHUB_REF"
             exit 1
           fi
-          if [ $(echo $VERSION | grep "-") ]; then PRERELEASE=true; else PRERELEASE=false; fi
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "prerelease=${PRERELEASE}" >> $GITHUB_OUTPUT
+          if echo "$VERSION" | grep -q "-"; then PRERELEASE=true; else PRERELEASE=false; fi
+          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
+          echo "prerelease=${PRERELEASE}" >> "$GITHUB_OUTPUT"
 
       - uses: actions/checkout@v7.0.0
       - uses: actions/setup-go@v6.4.0
@@ -36,8 +36,8 @@ jobs:
         if: ${{ steps.check_version.outputs.prerelease == 'false' }}
         run: |
           BRANCH=$(echo ${{ steps.check_version.outputs.version }} | cut -d "." -f 1-2)
-          docker tag ghcr.io/cybozu-go/mantle:${{ steps.check_version.outputs.version }} ghcr.io/cybozu-go/mantle:${BRANCH}
-          docker push ghcr.io/cybozu-go/mantle:${BRANCH}
+          docker tag ghcr.io/cybozu-go/mantle:${{ steps.check_version.outputs.version }} "ghcr.io/cybozu-go/mantle:${BRANCH}"
+          docker push "ghcr.io/cybozu-go/mantle:${BRANCH}"
 
       - name: "Get previous tag"
         id: get_previous_tag
@@ -47,13 +47,13 @@ jobs:
             -H "Accept: application/vnd.github+json" \
             -H "X-GitHub-Api-Version: 2022-11-28" \
             /repos/${{ github.repository }}/git/matching-refs/tags/v)
-          PREV_TAG=$(echo ${RESP} | jq -r '.[].ref' | awk -F "/" '{print $3}' | \
+          PREV_TAG=$(echo "${RESP}" | jq -r '.[].ref' | awk -F "/" '{print $3}' | \
             grep -E "^v[0-9]+\.[0-9]+\.[0-9]+" | sort -V -r | tail -n +2 | head -n 1)
           if [ -z "${PREV_TAG}" ]; then
             echo "PREV_TAG is empty."
             exit 1
           fi
-          echo "previous_tag=${PREV_TAG}" >> ${GITHUB_OUTPUT}
+          echo "previous_tag=${PREV_TAG}" >> "${GITHUB_OUTPUT}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: "Create Release"