ci: allow attestations in docker workflow

[skip ci]

Change-Id: I0cb649c521996cdb9c3c9dd4c1b62cc1e05526ac
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index dd71b5d..9616acd 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -2,15 +2,16 @@
 on:
   push:
     tags:
-      - 'NLSR-*'
+      - 'NLSR-[0-9]+*'
   schedule:
     # twice a month
     - cron: '20 9 5,20 * *'
   workflow_dispatch:
 
 permissions:
-  packages: write
+  attestations: write
   id-token: write
+  packages: write
 
 jobs:
   nlsr:
diff --git a/README.md b/README.md
index bd92d52..2e7bdeb 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 ![Latest version](https://img.shields.io/github/v/tag/named-data/NLSR?label=Latest%20version)
 ![Language](https://img.shields.io/badge/C%2B%2B-17-blue)
 [![CI](https://github.com/named-data/NLSR/actions/workflows/ci.yml/badge.svg)](https://github.com/named-data/NLSR/actions/workflows/ci.yml)
+[![Docker](https://github.com/named-data/NLSR/actions/workflows/docker.yml/badge.svg)](https://github.com/named-data/NLSR/actions/workflows/docker.yml)
 [![Docs](https://github.com/named-data/NLSR/actions/workflows/docs.yml/badge.svg)](https://github.com/named-data/NLSR/actions/workflows/docs.yml)
 
 > [!TIP]
@@ -20,7 +21,7 @@
 will continue to evolve over time to include neighbor discovery and to become a full
 fledged inter-domain routing protocol for NDN.
 
-NLSR was mainly developed by members of the NSF-sponsored [NDN project team](
+NLSR was mainly developed by members of the NSF-sponsored [NDN project](
 https://named-data.net/project/participants/). See [`AUTHORS.md`](AUTHORS.md) for details.
 
 ## Source releases