ci: remove conditional pr benchmark statements

Author: brianheineman

.github/workflows/pr-benchmarks.yml

@@ -10,7 +10,7 @@ permissions:
 jobs:
   benchmark:
     name: Run Benchmarks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout source code
         uses: actions/checkout@v4
@@ -25,11 +25,9 @@ jobs:
         uses: Swatinem/rust-cache@v2
 
       - name: Install benchmarking tools
-        if: ${{ startsWith(matrix.os, 'ubuntu-') }}
         uses: bencherdev/bencher@main
 
       - name: Run benchmarks
-        if: ${{ startsWith(matrix.os, 'ubuntu-') }}
         env:
           BENCHER_API_TOKEN: ${{ secrets.BENCHER_API_TOKEN }}
           BENCHER_PROJECT: theseus-rs-postgresql-embedded