Fold the release things into one workflow

.github/workflows/release-branches.yml

@@ -1,20 +0,0 @@
-name: Release Branch
-
-concurrency:
-  group: release
-
-on:
-  push:
-    branches:
-      # NOTE: make sure any branches here are also valid directory names,
-      # otherwise creating the directory and uploading to s3 will fail
-      - "main"
-
-permissions:
-  id-token: "write"
-  contents: "read"
-
-jobs:
-  release-branch:
-    uses: ./.github/workflows/upload-release.yml
-    secrets: inherit

.github/workflows/release-prs.yml

@@ -1,30 +0,0 @@
-name: Release PR
-
-concurrency:
-  group: release
-
-on:
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - labeled
-
-permissions:
-  id-token: "write"
-  contents: "read"
-
-jobs:
-  release-pr:
-    # Only intra-repo PRs are allowed to have PR artifacts uploaded
-    # We only want to trigger once the upload once in the case the upload label is added, not when any label is added
-    if: |
-      always() && !failure() && !cancelled()
-      && github.event.pull_request.head.repo.full_name == 'DeterminateSystems/nix-priv'
-      && (
-        (github.event.action == 'labeled' && github.event.label.name == 'upload to s3')
-        || (github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'upload to s3'))
-      )
-    uses: ./.github/workflows/upload-release.yml
-    secrets: inherit

.github/workflows/release-tags.yml

@@ -1,18 +0,0 @@
-name: Release Tags
-
-concurrency:
-  group: release
-
-on:
-  push:
-    tags:
-      - "v*.*.*"
-
-permissions:
-  contents: write # In order to upload artifacts to GitHub releases
-  id-token: write # In order to request a JWT for AWS auth
-
-jobs:
-  release-tag:
-    uses: ./.github/workflows/upload-release.yml
-    secrets: inherit

.github/workflows/upload-release.yml

@@ -5,6 +5,19 @@ concurrency:
 
 on:
   workflow_call:
+  push:
+    branches:
+      # NOTE: make sure any branches here are also valid directory names,
+      # otherwise creating the directory and uploading to s3 will fail
+      - "main"
+    tags:
+      - "v*.*.*"
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - labeled
 
 permissions:
   id-token: "write"