Pin ubuntu version in github actions to lower glibc requirement from 2.38 to 2.35

.github/workflows/format.yaml

@@ -2,7 +2,7 @@ name: format
 on: [push, pull_request]
 jobs:
   rust:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: dtolnay/rust-toolchain@nightly
         with:
@@ -11,7 +11,7 @@ jobs:
       - name: rustfmt
         run: cargo +nightly fmt --all -- --check
   nix:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: cachix/install-nix-action@v31
       - uses: actions/checkout@v4

.github/workflows/nix.yaml

@@ -2,7 +2,7 @@ name: nix build
 on: [push, pull_request]
 jobs:
   all:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v25

.github/workflows/release.yaml

@@ -25,7 +25,7 @@ on:
 
 jobs:
   publish-init:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     outputs:
       github-release-id: ${{ steps.init-step.outputs.github-release-id }}
     steps:

.github/workflows/setup-linux.yaml

@@ -14,7 +14,7 @@ on:
 
 jobs:
   run-on-linux:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 60
     steps:
       - run: sudo apt-get update