Add ISSUE_TEMPLATE folder to exceptions

ref: https://github.com/notepad-plus-plus/notepad-plus-plus/pull/14999#issuecomment-2054089871

Close #15002

.github/workflows/CI_build.yml

@@ -20,6 +20,7 @@ jobs:
       run: |
         $allowMaster = $true
         $folders_onejob = "PowerEditor/(Test|(installer/(filesForTesting|functionList)))/"
+        $folders_nowork = "\.github/ISSUE_TEMPLATE"
         $files_nowork = "md|txt|log|ini"
         $files_needwork = "CMakeLists\.txt"
 
@@ -34,13 +35,13 @@ jobs:
           $commit_message = (git show -s --format=%B)
         }
         else {
-          $last_commit = @(Invoke-RestMethod ${{ github.event.pull_request._links.commits.href }})[0]  | Select-Object -Last 1
+          $last_commit = @(Invoke-RestMethod ${{ github.event.pull_request._links.commits.href }})[0] | Select-Object -Last 1
           $commit_message = $last_commit.commit.message
         }
 
         $commit_title = ($commit_message -split "[\r\n]+")[0]
         $files_modified = @(git diff --name-only HEAD~1)
-        $files_needwork_all = @($files_modified | Where-Object {$_ -notmatch "\.(xml|$files_nowork)$|$folders_onejob" -or $_ -match "$files_needwork$"})
+        $files_needwork_all = @($files_modified | Where-Object {$_ -notmatch "\.(xml|$files_nowork)$|$folders_nowork|$folders_onejob" -or $_ -match "($files_needwork)$"})
 
         if ($allowMaster -or !$isMaster) {
             if ($commit_title -match "\[force all\]") {
@@ -52,7 +53,7 @@ jobs:
               Write-Output $matrix_onejob >> $env:GITHUB_OUTPUT
             }
             elseif (($files_modified.length -gt 0 -and $files_needwork_all.length -eq 0) -or $commit_title -match "\[force (xml|none)\]") {
-                if (@($files_modified | Where-Object {$_ -notmatch "\.($files_nowork)$"}).length -eq 0 -or $commit_title -match "\[force none\]") {
+                if (@($files_modified | Where-Object {$_ -notmatch "\.($files_nowork)$|$folders_nowork"}).length -eq 0 -or $commit_title -match "\[force none\]") {
                     Write-Output "Changed files on this commit don't require any additional tasks.`n"
                     Write-Output "result=OK" >> $env:GITHUB_OUTPUT
                 }