Use the Depot Ubuntu runners instead of GitHub for release workflows (#11948)

See

-
https://opensource.axo.dev/cargo-dist/book/reference/config.html#github-custom-runners
- https://github.com/axodotdev/cargo-dist/issues/1760
- #11935

.github/workflows/release.yml

@@ -50,7 +50,7 @@ on:
 jobs:
   # Run 'dist plan' (or host) to determine what tasks we need to do
   plan:
-    runs-on: "ubuntu-20.04"
+    runs-on: "depot-ubuntu-latest-4"
     outputs:
       val: ${{ steps.plan.outputs.manifest }}
       tag: ${{ (inputs.tag != 'dry-run' && inputs.tag) || '' }}
@@ -118,7 +118,7 @@ jobs:
       - plan
       - custom-build-binaries
       - custom-build-docker
-    runs-on: "ubuntu-20.04"
+    runs-on: "depot-ubuntu-latest-4"
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       BUILD_MANIFEST_NAME: target/distrib/global-dist-manifest.json
@@ -169,7 +169,7 @@ jobs:
     if: ${{ always() && needs.plan.outputs.publishing == 'true' && (needs.build-global-artifacts.result == 'skipped' || needs.build-global-artifacts.result == 'success') && (needs.custom-build-binaries.result == 'skipped' || needs.custom-build-binaries.result == 'success') && (needs.custom-build-docker.result == 'skipped' || needs.custom-build-docker.result == 'success') }}
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-    runs-on: "ubuntu-20.04"
+    runs-on: "depot-ubuntu-latest-4"
     outputs:
       val: ${{ steps.host.outputs.manifest }}
     steps:
@@ -228,7 +228,7 @@ jobs:
     # still allowing individual publish jobs to skip themselves (for prereleases).
     # "host" however must run to completion, no skipping allowed!
     if: ${{ always() && needs.host.result == 'success' && (needs.custom-publish-pypi.result == 'skipped' || needs.custom-publish-pypi.result == 'success') }}
-    runs-on: "ubuntu-20.04"
+    runs-on: "depot-ubuntu-latest-4"
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:

Cargo.toml

@@ -338,6 +338,9 @@ install-updater = false
 # Path that installers should place binaries in
 install-path = ["$XDG_BIN_HOME/", "$XDG_DATA_HOME/../bin", "~/.local/bin"]
 
+[workspace.metadata.dist.github-custom-runners]
+global = "depot-ubuntu-latest-4"
+
 [workspace.metadata.dist.min-glibc-version]
 # Override glibc version for specific target triplets.
 aarch64-unknown-linux-gnu = "2.28"