Use Macos13 instead of 14 (#5535)

### Description
- Use macos-13 instead of 14 (latest)

### How has this been tested?
Not needed

<small>By submitting this pull request, I confirm that my contribution
is made under the terms of the [MIT
license](https://github.com/dafny-lang/dafny/blob/master/LICENSE.txt).</small>

.github/workflows/integration-tests-reusable.yml

@@ -27,15 +27,15 @@ jobs:
  - name: Populate OS list (all platforms)
  id: populate-os-list-all
  if: inputs.all_platforms
- run: echo "os-list=[\"ubuntu-20.04\", \"macos-latest\", \"windows-2019\"]" >> $GITHUB_OUTPUT
+ run: echo "os-list=[\"ubuntu-20.04\", \"macos-13\", \"windows-2019\"]" >> $GITHUB_OUTPUT
  - name: Populate OS list (one platform)
  id: populate-os-list-one
  if: "!inputs.all_platforms"
  run: echo "os-list=[\"ubuntu-20.04\"]" >> $GITHUB_OUTPUT
  - name: Populate OS mapping for package.py
  id: populate-os-mapping
  run: |
- echo "os-mapping={\"ubuntu-20.04\": \"ubuntu\", \"macos-latest\": \"macos\", \"windows-2019\": \"windows\"}" >> $GITHUB_OUTPUT
+ echo "os-mapping={\"ubuntu-20.04\": \"ubuntu\", \"macos-13\": \"macos\", \"windows-2019\": \"windows\"}" >> $GITHUB_OUTPUT
  - name: Populate target runtime version list (all platforms)
  id: populate-target-runtime-version-all
  if: inputs.all_platforms

.github/workflows/publish-release-reusable.yml

@@ -35,7 +35,7 @@ env:
 jobs:
 
  publish-release:
- runs-on: macos-latest # Put back 'ubuntu-20.04' if macos-latest fails in any way
+ runs-on: macos-13 # Put back 'ubuntu-20.04' if macos-latest fails in any way
  steps:
  - name: Print version
  run: echo ${{ inputs.name }}

.github/workflows/release-brew.yml

@@ -10,7 +10,7 @@ concurrency:
 jobs:
  build:
 
- runs-on: macos-latest
+ runs-on: macos-13
 
  steps:
  - name: Install dafny

.github/workflows/release-downloads-nuget.yml

@@ -111,7 +111,7 @@ jobs:
  # but note we need to skip Dafny since nuget install doesn't work for dotnet tools.
  library-name: [ DafnyPipeline, DafnyServer, DafnyLanguageServer, DafnyRuntime, DafnyCore, DafnyDriver ]
  # This workflow breaks on windows-2022: https://github.com/dafny-lang/dafny/issues/1906
- os: [ ubuntu-latest, ubuntu-20.04, macos-latest, windows-2019 ]
+ os: [ ubuntu-latest, ubuntu-20.04, macos-13, windows-2019 ]
 
  steps:
  # Verify that the dependencies of the libraries we publish (e.g. DafnyLanguageServer)

.github/workflows/release-downloads.yml

@@ -18,13 +18,13 @@ jobs:
  fail-fast: false
  matrix:
  # This workflow breaks on windows-2022: https://github.com/dafny-lang/dafny/issues/1906
- os: [ ubuntu-latest, ubuntu-20.04, macos-latest, windows-2019 ]
+ os: [ ubuntu-latest, ubuntu-20.04, macos-13, windows-2019 ]
  include:
  - os: 'ubuntu-latest'
  osn: 'ubuntu-20.04'
  - os: 'ubuntu-20.04'
  osn: 'ubuntu-20.04'
- - os: 'macos-latest'
+ - os: 'macos-13'
  osn: 'x64-macos-11'
  - os: 'windows-2019'
  osn: 'windows-2019'