fix: use pip for PyYAML to avoid broken debian mirrors

.gitea/workflows/homelab-main.yml

@@ -14,8 +14,13 @@ jobs:
       - name: Install Node.js and Python deps
         run: |
           set -e
-          apt-get update
-          apt-get install -y --no-install-recommends curl python3-yaml
+          # We avoid apt-get update/install for tools already in the image or easily fetched
+          # Python3 and curl are already in golang:1.23-bullseye. 
+          # We only need python3-yaml and nodejs.
+          # To avoid broken debian-security mirrors, we use pip for yaml and binary for node.
+          
+          pip3 install PyYAML
+          
           curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
           apt-get install -y --no-install-recommends nodejs
       - name: Check out repository
@@ -37,8 +42,7 @@ jobs:
       - name: Install Node.js and Python deps
         run: |
           set -e
-          apt-get update
-          apt-get install -y --no-install-recommends curl python3-yaml
+          pip3 install PyYAML
           curl -fsSL https://deb.nodesource.com/setup_18.x | bash -
           apt-get install -y --no-install-recommends nodejs
       - name: Check out repository