[ci] Use shared runners

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

.github/workflows/pull-requests.yaml

@@ -11,7 +11,7 @@ concurrency:
 jobs:
   build:
     name: Build
-    runs-on: [self-hosted]
+    runs-on: [oracle-4cpu-16gb-x86-64]
     permissions:
       contents: read
       packages: write
@@ -34,6 +34,20 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
           registry: ghcr.io
 
+      - name: Install dependencies
+        run: |
+          set -e
+          sudo mkdir -p -m 755 /etc/apt/keyrings
+          sudo wget -O /etc/apt/keyrings/githubcli-archive-keyring.gpg https://cli.github.com/packages/githubcli-archive-keyring.gpg
+          sudo chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg
+          echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list > /dev/null
+          sudo apt update
+          sudo apt install -y jq skopeo gh gawk
+          sudo wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
+          sudo chmod +x /usr/local/bin/yq
+          curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | sudo bash
+          sudo modprobe loop
+
       - name: Build
         run: make build
 

.github/workflows/tags.yaml

@@ -15,7 +15,7 @@ concurrency:
 jobs:
   prepare-release:
     name: Prepare Release
-    runs-on: [self-hosted]
+    runs-on: [oracle-4cpu-16gb-x86-64]
     permissions:
       contents: write
       packages: write