Add missing github-cli installation

Bump release to v0.5.5

Dockerfile

@@ -58,6 +58,7 @@ RUN chmod +x /entrypoint.sh ;\
   apt-get install --no-install-recommends -y \
     git \
     hub \
+    github-cli \
     jq ;\
   apt-get clean ;\
   rm -rf /var/lib/apt/lists/*

Makefile

@@ -2,7 +2,7 @@
 phony: help
 
 # Release tag for the action
-VERSION := v0.5.4
+VERSION := v0.5.5
 
 # GitHub Actions bogus variables
 GITHUB_REF ?= refs/heads/null

README.md

@@ -37,7 +37,7 @@ Features:
 
 ```yaml
     - name: Run the Action
-      uses: devops-infra/action-pull-request@v0.5.4
+      uses: devops-infra/action-pull-request@v0.5.5
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         source_branch: development
@@ -119,7 +119,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
       - name: Create pull request
-        uses: devops-infra/action-pull-request@v0.5.4
+        uses: devops-infra/action-pull-request@v0.5.5
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           title: Automatic pull request
@@ -141,7 +141,7 @@ jobs:
           fetch-depth: 0
       - name: Run the Action
         if: startsWith(github.ref, 'refs/heads/feature')
-        uses: devops-infra/action-pull-request@v0.5.4
+        uses: devops-infra/action-pull-request@v0.5.5
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           title: ${{ github.event.commits[0].message }}

action.yml

@@ -69,7 +69,7 @@ outputs:
     description: Pull request URL.
 runs:
   using: docker
-  image: docker://devopsinfra/action-pull-request:v0.5.4
+  image: docker://devopsinfra/action-pull-request:v0.5.5
   env:
     GITHUB_TOKEN: ${{ inputs.github_token }}
 branding: