[#495] Add dependabot.yml with GitHub Actions (#559)

Resolves #495

CHANGELOG.md

@@ -42,8 +42,10 @@ The changelog is available [on GitHub][2].
 * [#517](https://github.com/kowainik/summoner/issues/517):
   Switch to `main` initial branch when creating project.
 * Require `git >= 2.28` for `--initial-branch=main` option.
-* [#491](https://github.com/kowainik/summoner/issues/491):
+* [#340](https://github.com/kowainik/summoner/issues/340):
   Use `cabal` version `3.0`.
+* [#495](https://github.com/kowainik/summoner/issues/495):
+  Generate `dependabot.yml` to update GitHub Actions automatically.
 * __#TUI__ Upgrade `brick` allowed version. Bump up lower
   bound to `0.56` due to the new field `formFieldUpdate`
   addition to the `FormFieldState` data type.

summoner-cli/examples/cabal-full/.github/dependabot.yml

@@ -0,0 +1,11 @@
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    commit-message:
+      prefix: "GA"
+      include: "scope"
+    labels:
+      - "CI"
+      - "dependencies"

summoner-cli/examples/full-batteries/.github/dependabot.yml

@@ -0,0 +1,11 @@
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    commit-message:
+      prefix: "GA"
+      include: "scope"
+    labels:
+      - "CI"
+      - "dependencies"

summoner-cli/examples/stack-full/.github/dependabot.yml

@@ -0,0 +1,11 @@
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    commit-message:
+      prefix: "GA"
+      include: "scope"
+    labels:
+      - "CI"
+      - "dependencies"

summoner-cli/src/Summoner/Template/GitHub.hs

@@ -40,7 +40,12 @@ import Summoner.Tree (TreeFs (..))
 gitHubFiles :: Settings -> [TreeFs]
 gitHubFiles Settings{..} = concat
     [ [File ".gitignore" (gitignoreDefault <> gitignoreCustom) | settingsGitHub]
-    , [Dir ".github" [ Dir "workflows" [ File "ci.yml" ghActionsYml ]] | settingsGhActions ]
+    , [ Dir ".github"
+          [ Dir "workflows" [ File "ci.yml" ghActionsYml ]
+          , File "dependabot.yml" dependabotYml
+          ]
+      | settingsGhActions
+      ]
     , [File ".travis.yml" travisYml    | settingsTravis]
     , [File "appveyor.yml" appVeyorYml | settingsAppVeyor]
     ]
@@ -248,6 +253,21 @@ gitHubFiles Settings{..} = concat
                 "        exclude:"
                 : map (indent 10 <>) xs
 
+    dependabotYml :: Text
+    dependabotYml = unlines
+        [ "updates:"
+        , "  - package-ecosystem: \"github-actions\""
+        , "    directory: \"/\""
+        , "    schedule:"
+        , "      interval: \"daily\""
+        , "    commit-message:"
+        , "      prefix: \"GA\""
+        , "      include: \"scope\""
+        , "    labels:"
+        , "      - \"CI\""
+        , "      - \"dependencies\""
+        ]
+
     -- create travis.yml template
     travisYml :: Text
     travisYml = unlines $