Update test.yaml

Ignore *.md files from the CI pipeline and remove a useless strategy block because the job does not use a matrix strategy

Author: ozennou

.github/workflows/test.yaml

@@ -4,9 +4,13 @@ on:
   push:
     branches:
       - "*"
+    paths-ignore:
+      - '**/*.md'
   pull_request:
     branches:
       - "*"
+    paths-ignore:
+      - '**/*.md'
 jobs:
   lint:
     name: Rubocop
@@ -178,8 +182,6 @@ jobs:
   sentinel:
     name: Sentinel
     timeout-minutes: 15
-    strategy:
-      fail-fast: false
     runs-on: ubuntu-latest
     env:
       LOW_TIMEOUT: "0.14"