Skip e2e, crd, go linters on .md checks.

Signed-off-by: Tiger Kaovilai <tkaovila@redhat.com>

.github/workflows/crds-verify-kind.yaml

@@ -5,7 +5,7 @@ on:
     paths-ignore:
       - "site/**"
       - "design/**"
-
+      - "**/*.md"
 jobs:
   # Build the Velero CLI once for all Kubernetes versions, and cache it so the fan-out workers can get it.
   build-cli:

.github/workflows/e2e-test-kind.yaml

@@ -6,6 +6,7 @@ on:
     paths-ignore:
       - "site/**"
       - "design/**"
+      - "**/*.md"
 jobs:
   # Build the Velero CLI and image once for all Kubernetes versions, and cache it so the fan-out workers can get it.
   build:

.github/workflows/pr-linter-check.yml

@@ -1,7 +1,12 @@
 name: Pull Request Linter Check
-on: [pull_request]
+on:
+  pull_request:
+    # Do not run when the change only includes these directories.
+    paths-ignore:
+      - "site/**"
+      - "design/**"
+      - "**/*.md"
 jobs:
-
   build:
     name: Run Linter Check
     runs-on: ubuntu-latest