ci: Simplify loadtest workflow

The two different PR and Merge jobs were introduced to be able to test the main branch
against the latest release. However, this is now included in the PR job, too, so no need
for the two separate jobs anymore.

.github/workflows/ci.yaml

@@ -11,10 +11,10 @@ on:
     branches:
       - main
       - rel-*
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  
-  # Terminate all previous runs of the same workflow and branch/tag, except for main and release branches/tags
+  # Terminate all previous runs of the same workflow and branch, except for main and release branches
   cancel-in-progress: "${{ !(github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/rel-')) }}"
 
 jobs:

.github/workflows/loadtest.yaml

@@ -10,14 +10,15 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  # Terminate all previous runs of the same workflow and branch, except for main
+  cancel-in-progress: "${{ !(github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v')) }}"
+
 jobs:
-  Loadtest-PR-Nix:
-    name: Loadtest PR (Nix)
-    if: ${{ github.event_name == 'pull_request' }}
+  Loadtest-Nix:
+    name: Loadtest (Nix)
     runs-on: ubuntu-latest
-    concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}
-      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v4
         with:
@@ -40,31 +41,3 @@ jobs:
           name: loadtest.md
           path: loadtest/loadtest.md
           if-no-files-found: error
-
-  Loadtest-Merge-Nix:
-    name: Loadtest Merge (Nix)
-    if: ${{ github.event_name == 'push' }}
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - uses: actions-ecosystem/action-get-latest-tag@v1
-        id: get-latest-tag
-        with:
-          semver_only: true          
-      - name: Setup Nix Environment
-        uses: ./.github/actions/setup-nix
-        with:
-          tools: loadtest
-      - name: Run loadtest
-        run: |
-          postgrest-loadtest-against ${{ steps.get-latest-tag.outputs.tag }}
-          postgrest-loadtest-report > loadtest/loadtest.md
-      - name: Upload report
-        uses: actions/upload-artifact@v4
-        with:
-          name: loadtest.md
-          path: loadtest/loadtest.md
-          if-no-files-found: error
-