Add permissions that were missed on the first pass (open-telemetry#4692)

* Add permissions that were missed on the first pass

* fix

Signed-off-by: emdneto <[email protected]>

---------

Signed-off-by: emdneto <[email protected]>
Co-authored-by: otelbot <[email protected]>
Co-authored-by: Emídio Neto <[email protected]>

Author: 3 people

.github/workflows/backport.yml

@@ -12,6 +12,8 @@ permissions:
 jobs:
   backport:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write  # required for pushing changes
     steps:
       - run: |
           if [[ ! $GITHUB_REF_NAME =~ ^release/v[0-9]+\.[0-9]+\.x-0\.[0-9]+bx$ ]]; then

.github/workflows/prepare-patch-release.yml

@@ -8,6 +8,7 @@ permissions:
 jobs:
   prepare-patch-release:
     permissions:
+      contents: write  # required for pushing changes
       pull-requests: write # required for adding labels to PRs
     runs-on: ubuntu-latest
     steps:

.github/workflows/prepare-release-branch.yml

@@ -43,6 +43,7 @@ jobs:
 
   create-pull-request-against-release-branch:
     permissions:
+      contents: write  # required for pushing changes
       pull-requests: write # required for adding labels to PRs
     runs-on: ubuntu-latest
     needs: prereqs
@@ -127,6 +128,7 @@ jobs:
 
   create-pull-request-against-main:
     permissions:
+      contents: write  # required for pushing changes
       pull-requests: write # required for adding labels to PRs
     runs-on: ubuntu-latest
     needs: prereqs