don't match leading 'v' in tag names, we don't use it here

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: Build + Deploy
 on:
   push:
     branches: [master]
-    tags: ["v*.*.*"]
+    tags: ["*.*.*"]
   pull_request:
     branches: [master]
 
@@ -109,7 +109,7 @@ jobs:
 
   deploy:
     # only run if the commit is tagged...
-    if: startsWith(github.ref, 'refs/tags/v')
+    if: startsWith(github.ref, 'refs/tags/')
     # ... and all build jobs completed successfully
     needs:
         - build_unix
@@ -139,8 +139,8 @@ jobs:
     - name: Extract release notes from annotated tag message
       id: release_notes
       env:
-        # e.g. v0.1.0a1, v1.2.0b2 or v2.3.0rc3, but not v1.0.0
-        PRERELEASE_TAG_PATTERN: "v[[:digit:]]+\\.[[:digit:]]+\\.[[:digit:]]+([ab]|rc)[[:digit:]]+"
+        # e.g. 0.1.0a1, 1.2.0b2 or 2.3.0rc3, but not 1.0.0
+        PRERELEASE_TAG_PATTERN: "[[:digit:]]+\\.[[:digit:]]+\\.[[:digit:]]+([ab]|rc)[[:digit:]]+"
       run: |
         # GH checkout action doesn't preserve tag annotations, we must fetch them
         # https://github.com/actions/checkout/issues/290