style(ci): lint action

.editorconfig

@@ -10,3 +10,6 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = false
 insert_final_newline = false
+
+[Makefile]
+indent_style = tab

.gitea/workflows/shellcheck.yml

@@ -3,13 +3,13 @@ name: Lint Shell files
 on:
   pull_request:
     branches: ["*"]
-    types: ["opened","edited"]
+    types: ["opened", "edited"]
   workflow_dispatch: {}
 
 jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.2.2
-    - run: apt install shellcheck
-    - run: find . -type f -name "*.sh" -exec shellcheck -a {} \;
+      - uses: actions/checkout@v4.2.2
+      - run: apt install shellcheck
+      - run: find . -type f -name "*.sh" -exec shellcheck -a {} \;

Makefile

@@ -17,3 +17,6 @@ unittests-helm:
 update-helm-dependencies:
 	helm dependency update
 
+.PHONY: yamllint
+yamllint:
+	yamllint -c .yamllint .