Change self-hosted label by benchmarks

.github/workflows/manual_benchmarks.yml

@@ -14,7 +14,7 @@ env:
 jobs:
   benchmarks:
     name: Run and upload benchmarks
-    runs-on: self-hosted
+    runs-on: benchmarks
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1

.github/workflows/push_benchmarks_indexing.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   benchmarks:
     name: Run and upload benchmarks
-    runs-on: self-hosted
+    runs-on: benchmarks
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1

.github/workflows/push_benchmarks_search_geo.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   benchmarks:
     name: Run and upload benchmarks
-    runs-on: self-hosted
+    runs-on: benchmarks
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1

.github/workflows/push_benchmarks_search_songs.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   benchmarks:
     name: Run and upload benchmarks
-    runs-on: self-hosted
+    runs-on: benchmarks
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1

.github/workflows/push_benchmarks_search_wiki.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   benchmarks:
     name: Run and upload benchmarks
-    runs-on: self-hosted
+    runs-on: benchmarks
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1