ci: speed up lint job (backport #17071) (#17076)

Co-authored-by: Julien Robert <julien@rbrt.fr>

.github/PULL_REQUEST_TEMPLATE.md

@@ -31,6 +31,7 @@ I have...
 * [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
 * [ ] updated the relevant documentation or specification
 * [ ] reviewed "Files changed" and left comments if necessary
+* [ ] run `make lint` and `make test`
 * [ ] confirmed all CI checks have passed
 
 ### Reviewers Checklist

.github/workflows/lint.yml

@@ -20,6 +20,19 @@ jobs:
           check-latest: true
       - uses: technote-space/get-diff-action@v6.1.2
         id: git_diff
+        with:
+          PATTERNS: |
+            Makefile
+            **/Makefile
+            .golangci.yml
+      - name: run linting (long)
+        if: env.GIT_DIFF
+        id: lint_long
+        run: |
+          make lint
+      - uses: technote-space/get-diff-action@v6.1.2
+        if: steps.lint_long.outcome == 'skipped'
+        id: git_diff_all
         with:
           PATTERNS: |
             **/*.go
@@ -27,7 +40,10 @@ jobs:
             go.sum
             **/go.mod
             **/go.sum
-      - name: run linting
-        if: env.GIT_DIFF
+      - name: run linting (short)
+        if: steps.lint_long.outcome == 'skipped' && env.GIT_DIFF
         run: |
           make lint
+        env:
+          GIT_DIFF: ${{ env.GIT_DIFF }}
+          LINT_DIFF: 1