commitlint.sh,CI: install commitlint in 1line

Author: knocte

.github/workflows/CI.yml

@@ -89,8 +89,7 @@ jobs:
           npm --version
       - name: Install commitlint
         run: |
-          npm install conventional-changelog-conventionalcommits
-          npm install commitlint@latest
+          npm install conventional-changelog-conventionalcommits commitlint@latest
       - name: Install yarn
         run: |
           npm install --global yarn
@@ -122,8 +121,7 @@ jobs:
           sudo apt install --yes --no-install-recommends npm curl
       - name: Install commitlint
         run: |
-          npm install conventional-changelog-conventionalcommits
-          npm install commitlint@latest
+          npm install conventional-changelog-conventionalcommits commitlint@latest
       - name: Install yarn
         run: |
           npm install --global yarn

commitlint.sh

@@ -4,8 +4,7 @@ set -euxo pipefail
 # cd to directory of this script
 cd "$(dirname "$0")"
 npm install
-npm install conventional-changelog-conventionalcommits
-npm install commitlint@latest
+npm install conventional-changelog-conventionalcommits commitlint@latest
 npx commitlint --version
 npx commitlint $@
 cd ..