Add minimal permissions to some actions workflows

.github/workflows/announce-a-release.yml

@@ -7,6 +7,10 @@ on:
 
 concurrency: announce-a-release
 
+permissions:
+  packages: read
+  contents: write
+
 jobs:
   announce:
     name: Announcements

.github/workflows/breakage-against-linux-ponyc-latest.yml

@@ -4,6 +4,9 @@ on:
   repository_dispatch:
     types: [shared-docker-linux-builders-updated]
 
+permissions:
+  packages: read
+
 jobs:
   vs-ponyc-main-linux:
     name: Verify main against ponyc main on Linux

.github/workflows/breakage-against-macos-arm64-ponyc-latest.yml

@@ -4,6 +4,9 @@ on:
   repository_dispatch:
     types: [ponyc-arm64-macos-nightly-released]
 
+permissions:
+  packages: read
+
 jobs:
   vs-ponyc-main-macos:
     name: Verify main against ponyc main on arm64 macOS

.github/workflows/breakage-against-macos-x86-ponyc-latest.yml

@@ -4,6 +4,9 @@ on:
   repository_dispatch:
     types: [ponyc-x86_64-macos-nightly-released]
 
+permissions:
+  packages: read
+
 jobs:
   vs-ponyc-main-macos:
     name: Verify main against ponyc main on x86-64 macOS

.github/workflows/latest-docker-image.yml

@@ -9,6 +9,9 @@ concurrency:
   group: build-latest-docker-images
   cancel-in-progress: true
 
+permissions:
+  packages: write
+
 jobs:
   build-latest-docker-image:
     name: Build and push latest Docker image

.github/workflows/nightlies.yml

@@ -4,6 +4,9 @@ on:
   schedule:
     - cron: "0 0 * * *"
 
+permissions:
+  packages: read
+
 jobs:
   x86-64-unknown-linux-nightly:
     name: Build and upload x86-64-unknown-linux-nightly to Cloudsmith

.github/workflows/pr.yml

@@ -6,6 +6,9 @@ concurrency:
   group: pr-${{ github.ref }}
   cancel-in-progress: true
 
+permissions:
+  packages: read
+
 jobs:
   superlinter:
     name: Lint bash, docker, markdown, and yaml

.github/workflows/prepare-for-a-release.yml

@@ -7,6 +7,10 @@ on:
 
 concurrency: prepare-for-a-release
 
+permissions:
+  packages: read
+  contents: write
+
 jobs:
   # all tasks that need to be done before we add an X.Y.Z tag
   # should be done as a step in the pre-tagging job.

.github/workflows/release-notes.yml

@@ -12,7 +12,6 @@ on:
 
 permissions:
   packages: read
-  pull-requests: read
   contents: write
 
 jobs:

.github/workflows/release.yml

@@ -7,6 +7,10 @@ on:
 
 concurrency: release
 
+permissions:
+  packages: write
+  contents: write
+
 jobs:
   # validation to assure that we should in fact continue with the release should
   # be done here. the primary reason for this step is to verify that the release