ci(json-validator): use venv

Signed-off-by: Richard Steinmetz <richard@steinmetz.cloud>

.github/workflows/json-validator.yml

@@ -1,36 +1,37 @@
-name: Json Validator
-
-on:
-  pull_request:
-    paths:
-      - '**.json'
-  push:
-    branches:
-      - main
-    paths:
-      - '**.json'
-
-jobs:
-  json-validator:
-    name: Json Validator
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: Validate Json
-        run: |
-          sudo apt-get update
-          sudo apt-get install python3-pip -y --no-install-recommends
-          pip3 install json-spec
-          export PATH="$PATH:/home/runner/.local/bin"
-          if ! json validate --schema-file=php/containers-schema.json --document-file=php/containers.json; then
-            exit 1
-          fi
-          JSON_FILES="$(find ./community-containers -name '*.json')"
-          mapfile -t JSON_FILES <<< "$JSON_FILES"
-          for file in "${JSON_FILES[@]}"; do
-            json validate --schema-file=php/containers-schema.json --document-file="$file" 2>&1 | tee -a ./json-validator.log
-          done
-          if grep -q "document does not validate with schema.\|invalid JSONFile" ./json-validator.log; then
-            exit 1
-          fi
+name: Json Validator
+
+on:
+  pull_request:
+    paths:
+      - '**.json'
+  push:
+    branches:
+      - main
+    paths:
+      - '**.json'
+
+jobs:
+  json-validator:
+    name: Json Validator
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Validate Json
+        run: |
+          sudo apt-get update
+          sudo apt-get install python3-venv -y --no-install-recommends
+          python3 -m venv venv
+          . venv/bin/activate
+          pip3 install json-spec
+          if ! json validate --schema-file=php/containers-schema.json --document-file=php/containers.json; then
+            exit 1
+          fi
+          JSON_FILES="$(find ./community-containers -name '*.json')"
+          mapfile -t JSON_FILES <<< "$JSON_FILES"
+          for file in "${JSON_FILES[@]}"; do
+            json validate --schema-file=php/containers-schema.json --document-file="$file" 2>&1 | tee -a ./json-validator.log
+          done
+          if grep -q "document does not validate with schema.\|invalid JSONFile" ./json-validator.log; then
+            exit 1
+          fi