Backport CI changes from the 2.1 branch.

.github/workflows/ci-linux.yml

@@ -2,6 +2,7 @@ name: Ubuntu CI
 on:
   - pull_request
   - push
+  - workflow_dispatch
 jobs:
   build:
     if: "!contains(github.event.head_commit.message, '[skip ubuntu ci]')"
@@ -10,7 +11,7 @@ jobs:
       CXX: ${{ matrix.compiler }}
       CXXFLAGS: -std=${{ matrix.standard }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Install dependencies
         run: |

.github/workflows/ci-windows.yml

@@ -5,6 +5,7 @@ on:
   release:
     types:
       - published
+  workflow_dispatch:
 jobs:
   build:
     if: "!contains(github.event.head_commit.message, '[skip windows ci]')"
@@ -14,7 +15,7 @@ jobs:
       CONAN_USER_HOME: ${{ github.workspace }}/win/build
       CONAN_USER_HOME_SHORT: None
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup NSIS
         run: |-
@@ -64,3 +65,10 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           gh release upload ${{ github.event.release.tag_name }} $(Get-ChildItem anope-*.exe)
+
+      - name: Upload artifact
+        if: "${{ github.event_name != 'release' }}"
+        uses: actions/upload-artifact@v5
+        with:
+          name: windows-installer
+          path: ${{ github.workspace }}\build\\anope-*.exe